A.S. International

The 80mm Borosilicate Glass Beaker with a 1000 ml capacity is an essential and highly functional piece of laboratory glassware, specifically engineered for precise and reliable chemical handling. Made from premium quality borosilicate glass, this beaker is ideal for a wide range of scientific and educational laboratory applications where durability, thermal resistance, and chemical stability are of critical importance. Its 80mm diameter and low-form design make it a versatile choice for mixing, measuring, heating, and storing chemical solutions safely and efficiently.
Borosilicate glass is renowned for its outstanding resistance to thermal shock and chemical corrosion, making it the preferred material for professional laboratory equipment. This 1000 ml beaker can withstand sudden temperature changes, allowing it to be used directly over open flames or with heating elements without the risk of cracking or warping. Its robust construction ensures longevity even under rigorous laboratory conditions, including repeated heating and cooling cycles. The superior chemical resistance of borosilicate glass prevents reactions with acids, alkalis, and organic solvents, ensuring that the contents remain uncontaminated and pure, which is vital in analytical and quantitative experiments.
The low-form design of the beaker provides a wide base and low height, offering increased stability during laboratory procedures. This form factor also allows for more efficient stirring and mixing of substances, reducing the likelihood of spillage or tipping during use. The beaker's 80mm diameter provides ample surface area, making it easier to add solid or liquid reagents while observing reactions clearly. The transparent glass construction allows for full visibility of contents, facilitating accurate monitoring of chemical reactions, solution levels, and color changes throughout the experimental process.
This 1000 ml borosilicate glass beaker is widely used in chemical, pharmaceutical, biological, and environmental laboratories, as well as in educational institutions for teaching fundamental chemistry techniques. It is an indispensable tool for tasks such as preparing solutions, conducting titrations, diluting concentrations, and performing qualitative and quantitative experiments. Its high capacity makes it suitable for medium- to large-volume applications, providing sufficient space for mixing without risk of overflow.
In addition to its practical laboratory uses, the beaker’s thick glass walls and smooth, polished surface make it highly durable and easy to clean. It can be safely sterilized using autoclaves or chemical disinfectants, ensuring hygienic reuse across various applications. The smooth inner surface prevents residue buildup, enabling efficient cleaning and accurate measurements during subsequent usage. The beaker is often used alongside stirring rods, heating plates, or laboratory stands and clamps, making it a central component in experimental setups.
Furthermore, the beaker is designed with a spout that facilitates easy and spill-free pouring of liquids, minimizing waste and enhancing safety in the lab environment. Its ergonomic shape and manageable weight make it easy to handle, even when filled to full capacity. The durability, transparency, and chemical inertness of the borosilicate glass make this beaker a dependable and long-lasting investment for any lab setting.
Overall, the 80mm Borosilicate Glass Beaker with a 1000 ml capacity delivers optimal performance, safety, and reliability. Whether used in professional laboratories, academic settings, or industrial environments, it stands as a trusted choice for handling a broad range of laboratory tasks with precision and confidence.

The Solid Ground Glass Pennyhead Stopper is a precision-engineered laboratory accessory designed for use with laboratory bottles requiring secure and contamination-free sealing. Manufactured from high-quality borosilicate glass, this stopper is highly durable and offers exceptional resistance to thermal shock, chemical corrosion, and mechanical stress. With a bottle compatibility of 50 ml, it is ideally suited for applications that involve storage and preservation of sensitive chemical reagents, analytical samples, and volatile substances in a controlled laboratory environment. The solid construction ensures a tight fit, providing a secure closure that helps maintain sample purity and prevents atmospheric contamination.
This pennyhead stopper is specially crafted to fit seamlessly into standard laboratory glassware with ground-glass joints. The term “pennyhead” refers to the flat, circular top that resembles the head of a coin, which offers an ergonomic grip and allows easy handling during insertion and removal. Its round head shape also ensures balanced pressure distribution, reducing the risk of chipping or breakage during routine use. The stopper’s polished, ground-glass surface ensures a snug fit that forms an airtight seal without the need for additional sealing agents, thereby minimizing the risk of contamination or reagent loss through evaporation.
Made from borosilicate glass, the stopper is both chemically inert and thermally stable, making it ideal for use with a wide variety of acids, bases, solvents, and other reactive compounds. This material composition allows the stopper to perform reliably under various laboratory conditions, including high-temperature sterilization processes such as autoclaving. As a result, it offers excellent reusability while maintaining the integrity of the substances stored. The clear white color of the stopper contributes to a clean, professional appearance and allows for easy visual inspection for residues or contaminants.
The 50 ml capacity compatibility makes this stopper particularly useful for small-volume laboratory containers, making it ideal for precise scientific work such as titrations, quantitative analysis, and sample storage. Laboratories involved in chemistry, biology, pharmacology, and environmental science can rely on this stopper for secure and stable sample containment. Whether used in academic, research, or industrial labs, this stopper ensures that critical reagents and solutions remain uncontaminated and preserved during both short-term and long-term storage.
In addition to its technical features, the solid ground glass pennyhead stopper supports a wide range of laboratory operations by ensuring standardized fitting and interchangeability across compatible labware. Its low-maintenance design allows for quick cleaning and sterilization, reducing turnaround time between experiments. Furthermore, it eliminates the need for plastic or rubber alternatives, offering a more sustainable and environmentally friendly option for labs aiming to reduce non-recyclable waste.
In summary, the Solid Ground Glass Pennyhead Stopper designed for 50 ml laboratory bottles offers a perfect balance of durability, chemical resistance, and sealing efficiency. Crafted from high-grade borosilicate glass and featuring a round pennyhead design, this stopper ensures a secure fit, easy handling, and optimal sample protection. Ideal for laboratories that demand precision, reliability, and high performance in sealing and storing small-volume samples, this stopper is an indispensable tool for maintaining accuracy and integrity in scientific research and experimentation.

The 500ml Borosilicate Glass container is an essential piece of laboratory glassware meticulously crafted for use in chemical laboratories where precision, durability, and chemical resistance are paramount. With a capacity of 500 milliliters, this round-headed glass vessel is ideal for a wide range of scientific applications, including sample preparation, reagent mixing, titrations, heating, boiling, and long-term storage of liquid and solid chemicals. Made from high-quality borosilicate glass, it offers excellent resistance to thermal shock, mechanical stress, and chemical corrosion, making it a reliable and long-lasting solution for routine and advanced laboratory procedures.
The transparent body of this 500ml borosilicate glass container allows for clear visibility of contents, enabling accurate observation of chemical reactions, color changes, and volume measurements. This is especially valuable during experiments that require close monitoring or documentation. Its clarity also aids in ensuring cleanliness before and after use, which is critical in maintaining laboratory hygiene standards and avoiding contamination between tests or compounds.
One of the most notable features of borosilicate glass is its high thermal resistance. The 500ml laboratory glass vessel is capable of withstanding rapid temperature changes without cracking or breaking, which is essential in chemical laboratories where heating and cooling processes are frequent. It can be safely used on laboratory hot plates, inside ovens, or under open flames with appropriate support equipment. This resistance to thermal shock ensures the safety of laboratory personnel and the integrity of the experimental process.
The material’s inherent chemical resistance makes this borosilicate glass container suitable for handling a wide range of substances, including strong acids, alkalis, solvents, and reagents. It does not react with most chemicals, thereby preserving the purity of the substances stored or mixed within. Whether used for storing culture media, preparing standard solutions, or conducting complex reactions, the 500ml borosilicate glass vessel provides a stable and inert environment, ensuring accurate results and repeatable data.
The round head shape of the container facilitates efficient stirring and swirling of liquids without spillage, enhancing the user’s control during experiments. Its ergonomic design fits easily in laboratory clamps, stands, and holders, offering flexibility and safety during use. The 500ml capacity makes it suitable for medium-scale experiments and educational demonstrations, balancing volume and manageability for students, researchers, and lab technicians alike.
This borosilicate glass vessel is also easy to clean and sterilize, supporting autoclave procedures and other high-temperature cleaning methods without compromising structural integrity. Its smooth, non-porous surface prevents absorption and residue build-up, making it ideal for repeated use in both educational and industrial laboratory settings. It integrates seamlessly with other laboratory apparatus such as pipettes, burettes, and condensers, enhancing workflow efficiency and reducing the need for multiple container types.
In conclusion, the 500ml Borosilicate Glass container is a fundamental tool in any chemical laboratory. Combining clarity, thermal durability, chemical resistance, and a user-friendly design, it offers consistent performance across a variety of scientific tasks. Whether used for heating, mixing, or storing chemical substances, this round-head, transparent borosilicate glassware ensures accuracy, reliability, and safety, making it an indispensable asset for research labs, academic institutions, and pharmaceutical environments.

The Borosilicate Glass Laboratory Weighing Bottle with a 50 ml capacity is a precision-crafted laboratory vessel designed for accurate weighing and safe storage of small quantities of solid and powdered chemical substances. Made from high-quality borosilicate glass, this weighing bottle exhibits exceptional durability, thermal stability, and chemical resistance, making it an ideal choice for rigorous scientific and analytical applications in laboratory environments. With its robust material composition, it offers superior performance in environments that require frequent exposure to high temperatures, corrosive chemicals, or repeated sterilization.
The weighing bottle features a round shape that enhances uniformity and ease of handling during weighing procedures. Its carefully designed contours and smooth glass surface ensure that it can be easily cleaned, leaving no residues that might affect the accuracy of measurements or compromise experimental integrity. The 50 ml capacity is perfect for small-scale analytical experiments, making it a preferred choice for laboratories involved in chemical analysis, quality control, pharmaceutical formulation, and academic research. Whether for weighing powdered reagents, drying substances in ovens, or conducting gravimetric analysis, this bottle provides consistent performance and reliability.
One of the standout features of this laboratory weighing bottle is its composition of borosilicate glass—a type of glass known for its low coefficient of thermal expansion. This makes it resistant to thermal shock, allowing it to withstand sudden temperature changes without the risk of cracking or breaking. It is ideally suited for use in high-temperature environments and for procedures involving heating, cooling, or autoclaving. The glass is also resistant to most acids, alkalis, and organic solvents, ensuring compatibility with a wide range of laboratory reagents and preventing contamination of contents.
With a length size of 800 mm, this weighing bottle accommodates sufficient volume while maintaining a compact profile that fits neatly onto laboratory balances and inside desiccators, ovens, or cabinets. The well-proportioned size and clear visibility of the bottle enhance precision in measurement and ease in monitoring the contents. Its round design facilitates even heat distribution when used for drying or heating substances and provides stability on flat surfaces to minimize the risk of tipping.
Designed for convenience and performance, this weighing bottle is widely used in academic institutions, research laboratories, pharmaceutical industries, and chemical manufacturing facilities. It is especially valued in protocols requiring precision weighing under controlled conditions. Its high-quality build and reliability reduce the need for frequent replacements, thereby offering long-term value and contributing to efficient laboratory operations.
The product is readily available in stock, ensuring quick and reliable supply to laboratories that require immediate replacement or expansion of their equipment. Its standardized size and material make it compatible with existing laboratory setups and procedures. Whether used in an educational lab for teaching fundamental techniques or in a research facility conducting complex chemical analyses, the Borosilicate Glass Laboratory Weighing Bottle, with its 50 ml capacity, stands as a trusted and essential piece of lab equipment, ensuring precision, safety, and repeatable results across a wide range of scientific applications.

The 60mm Glass Conical Funnel is an essential piece of laboratory glassware meticulously designed for precision and reliability in chemical handling and experimentation. Manufactured using high-quality borosilicate glass, this funnel is known for its superior thermal resistance, chemical durability, and structural integrity. The transparent body provides clear visibility of liquid flow and contents, making it ideal for accurate transfer and filtration of substances during laboratory procedures. The conical shape ensures smooth and controlled pouring, minimizing the risk of spills, waste, or contamination during use. Whether in an educational institution, research facility, or industrial chemical laboratory, this glass funnel serves as a versatile and indispensable tool.
With a mouth diameter of 60mm, the funnel offers a wide opening suitable for handling moderate quantities of liquids or powders. This size makes it especially efficient for transferring materials between containers with small openings or during filtration when used in combination with standard-sized filter papers. The short stem enhances stability and control, allowing liquids to flow steadily without splashing. Its compact design also enables easy storage and integration with other glassware and filtration apparatus, offering flexibility for various lab setups.
The borosilicate glass construction ensures excellent resistance to thermal shock and chemical corrosion, allowing it to be safely used with a wide range of acids, bases, solvents, and reagents. This makes the funnel suitable for both hot and cold applications, ensuring consistent performance even under fluctuating temperatures. Its non-porous surface ensures that it does not absorb chemical residues or odors, facilitating easy cleaning and maintaining purity between experiments. The smooth inner surface allows liquids to flow effortlessly, reducing residue build-up and enhancing laboratory efficiency.
This conical funnel is widely used in analytical chemistry, organic synthesis, biological studies, and industrial processing where accurate liquid handling is crucial. It plays a critical role in separation processes, qualitative analysis, titration setups, and during the preparation of solutions. The robust design and high precision make it suitable for repeated usage in demanding laboratory environments. It is also frequently used in educational settings to teach basic principles of liquid transfer, separation, and laboratory safety to students.
In addition to its technical performance, the glass funnel has a sleek and professional appearance that complements any modern laboratory. Its clarity and well-defined geometry reflect a high manufacturing standard, assuring users of consistent quality and functionality. The funnel is lightweight yet durable, making it easy to handle during extended laboratory sessions. The 60mm size also allows it to accommodate most common filtration papers, which is convenient for standard experimental protocols.
Professionals who require precise handling of chemicals will find this glass funnel to be a highly reliable choice. Its compatibility with other laboratory equipment such as beakers, flasks, and filtration assemblies enhances its practical value across diverse applications. It is also ideal for laboratory kits used in training, demonstration, and research purposes. The superior craftsmanship of the borosilicate glass ensures that the funnel maintains its shape and performance even after extensive use and multiple cleanings.
Overall, the 60mm Glass Conical Funnel made from borosilicate glass is a highly functional and durable laboratory accessory that ensures safety, precision, and efficiency. It has high resistance to heat and chemicals, combined with ergonomic design and optical clarity.

The 10ml amber borosilicate glass vial is an essential component in laboratory and pharmaceutical environments, offering high durability, chemical resistance, and UV protection for a variety of liquid and solid substances. Constructed from premium-quality borosilicate glass, this vial is engineered to withstand high temperatures, sudden thermal changes, and exposure to a wide range of chemicals, making it an ideal choice for rigorous scientific applications. Its 10ml capacity makes it suitable for precise storage of small sample volumes, solvents, reagents, or medication, ensuring both efficiency and accuracy in daily laboratory workflows.
The amber color of the glass plays a critical role in protecting sensitive contents from the harmful effects of ultraviolet (UV) and visible light. Many chemical and biological compounds degrade or lose efficacy when exposed to light, and the brown hue of this vial acts as a natural light barrier, thereby preserving the integrity and stability of the materials stored within. This feature makes the amber vial particularly beneficial for storing light-sensitive samples such as pharmaceuticals, essential oils, and organic solvents.
The borosilicate glass used in this vial is known for its exceptional strength, clarity, and low expansion coefficient. These properties allow the vial to resist breakage from thermal shock and mechanical stress, even when used in demanding environments involving heating, autoclaving, or refrigeration. The glass is non-reactive and maintains the purity of the stored contents, ensuring no leaching or contamination, which is crucial for precision testing and pharmaceutical-grade storage. The smooth inner walls and precise dimensions of the vial further facilitate accurate dispensing and easy cleaning, enhancing its usability and longevity.
With a round head shape, the vial offers ease of handling, pouring, and labeling. The ergonomic design also allows for secure sealing with a compatible screw cap or crimp top, ensuring an airtight and leak-proof environment for the stored material. This is particularly important for maintaining the sterility of samples and preventing spillage or evaporation. Whether used for analytical chemistry, sample collection, biological storage, or research and development, the 10ml amber borosilicate glass vial consistently delivers reliable performance and safety.
In industrial, academic, and clinical laboratories, this vial serves as a trusted storage solution that aligns with standard protocols for handling sensitive compounds. It is frequently used in microbiology labs, pharmaceutical production, pathology labs, and research facilities that require small volume containers with superior quality assurance. The compatibility of borosilicate glass with most solvents and reagents makes it a universal tool in chemical storage and handling. Its inert nature ensures that the vial does not interact with acids, alkalis, or other chemicals, preserving both the sample and the container’s physical integrity over time.
The amber borosilicate glass vial, with its compact 10ml size, also supports easy transportation and organization within test tube racks, storage units, or portable kits. The visual clarity, despite the amber tint, allows for approximate visibility of the contents, enabling easy monitoring without compromising on light protection. This makes it especially useful for cataloguing and routine laboratory analysis.
Overall, the 10ml amber borosilicate glass vial is a superior choice for anyone requiring a safe, efficient, and chemically stable storage solution. Its blend of light protection, thermal durability, and laboratory-grade design ensures consistent performance and sample protection in even the most demanding scientific and industrial settings.

The Borosilicate Glass Laboratory Weighing Bottle with a 20 ml capacity is an essential piece of analytical laboratory equipment designed for precise weighing, storage, and transfer of powdered or liquid chemical substances. Crafted from high-quality borosilicate glass, this weighing bottle offers exceptional thermal and chemical resistance, making it suitable for use in highly sensitive and demanding scientific environments. Its compact size, with a diameter of approximately 1 inch, allows for easy handling, minimal reagent waste, and efficient use of bench space, making it ideal for micro-analysis and precision weighing tasks.
Engineered for laboratory applications where accuracy and contamination-free transfer are paramount, this 20 ml borosilicate weighing bottle is perfectly suited for gravimetric analysis, sample storage, and controlled substance dispensing. Borosilicate glass is known for its remarkable resistance to heat and thermal shock, allowing the weighing bottle to withstand repeated cycles of heating and cooling without risk of cracking or distortion. This property is particularly beneficial in procedures requiring sample drying or when substances need to be transferred to or from hot apparatus such as ovens or hot plates. The bottle’s white-tinted body not only provides a clean and professional aesthetic but also aids in visual clarity during sample observation.
The borosilicate glass construction ensures that the weighing bottle remains inert to most chemical reagents, including strong acids, bases, and organic solvents. This chemical resistance preserves the purity of samples and prevents unwanted reactions that could interfere with analytical results. As a result, this weighing bottle is suitable for a broad range of applications in analytical chemistry, biochemistry, pharmaceuticals, and environmental science. The smooth, non-porous surface of the glass prevents absorption and allows for easy cleaning and sterilization, supporting reuse and maintaining laboratory hygiene standards.
With a weighing capacity of 20 ml, this borosilicate glass bottle is ideal for small-volume samples that require precise measurement. It fits easily onto most analytical balances and provides excellent stability during weighing, ensuring accurate and repeatable readings. The narrow neck and smooth rim are designed to minimize material loss during transfer, and when used with a stopper or lid (if applicable), the bottle offers secure storage and protection against moisture or airborne contamination.
In laboratory settings where precision and reliability are critical, the 20 ml borosilicate weighing bottle stands out as a dependable tool. It is commonly used in research labs, academic institutions, pharmaceutical industries, and quality control departments where small-scale weighing of solids and liquids is a routine requirement. Its small footprint and light weight make it highly portable, while its robust design ensures long-term use with minimal risk of breakage under standard handling conditions.
In summary, the Borosilicate Glass Laboratory Weighing Bottle with a 20 ml capacity is a vital component for precision analytical work. Combining chemical inertness, thermal resilience, and ease of handling in a compact 1-inch form, it offers unparalleled performance in applications requiring accurate sample weighing and secure containment. Whether used for micro-scale chemical analysis, routine laboratory tasks, or critical research experiments, this weighing bottle provides consistent, safe, and efficient support for laboratory professionals across a variety of scientific disciplines.

The Borosilicate Glass Beaker with a 100 ml capacity is a precision-engineered laboratory glassware item, specifically designed to meet the rigorous demands of chemical, biological, and educational laboratories. Made from high-quality borosilicate glass, this beaker is known for its excellent thermal resistance, low thermal expansion, and superior chemical durability. These properties make it ideal for applications that involve heating, mixing, or storing reactive substances. The beaker's low form factor ensures a stable and manageable profile, allowing easy handling and convenient storage, especially during experiments that require controlled volume management.
With a round head shape and a robust heavy-wall glass construction, this 100 ml borosilicate beaker is built for durability and long-term use in both academic and industrial environments. It can withstand repeated heating and cooling cycles without the risk of cracking, thanks to its thermal shock resistance. This makes it highly suitable for use with Bunsen burners, hot plates, and water baths. The smooth, transparent surface provides excellent visibility of the contents, which is essential for precise observation during scientific experiments. Whether measuring solvents, mixing reagents, or heating samples, this beaker offers accuracy and reliability.
The beaker’s spout is designed for easy and spill-free pouring of liquids, reducing the risk of loss or contamination during transfer. Its standardized dimensions ensure compatibility with various laboratory clamps, rings, and supports. This is particularly important in setups requiring stability, such as titrations or reactions carried out over prolonged periods. The heavy wall thickness adds to its strength, making it suitable for repetitive usage under tough laboratory conditions. The beaker is also resistant to most acids, alkalis, and organic solvents, making it a versatile choice for a wide range of scientific tasks.
Due to its 100 ml volume, this borosilicate beaker is ideal for small-scale experiments, sample preparation, and solution mixing. It is frequently used in schools, colleges, research institutions, and pharmaceutical laboratories where accurate measurement and reliability are paramount. The small size also makes it suitable for demonstrations, allowing students and trainees to easily observe chemical reactions and procedures. Laboratories engaged in chemical analysis, quality control, and experimental chemistry often rely on such glassware to maintain consistency and repeatability in their processes.
The low form design further contributes to the beaker’s practical utility, offering a wider surface area relative to its height. This design facilitates faster evaporation rates and improved heat transfer during heating processes. It also makes stirring and mixing more efficient, especially when using magnetic stirrers or manual glass rods. Additionally, the low profile minimizes the chances of tipping over, enhancing safety in the lab environment. The beaker’s labeling area allows for easy identification and documentation, which is critical for organized lab workflows.
In terms of maintenance, the borosilicate glass beaker is easy to clean and autoclavable, allowing for safe sterilization and reuse. Its resistance to staining and chemical attack ensures that it retains clarity and structural integrity even after prolonged use. Whether used in academic research or professional laboratory settings, this 100 ml borosilicate glass beaker offers precision, durability, and efficiency. It is a must-have glassware item for any lab aiming to uphold high standards of safety, accuracy, and productivity in daily operations.

The 250ml Glass Bottle designed specifically for pharmaceutical use combines precision, purity, and practicality in one robust packaging solution. Manufactured from high-quality transparent glass, this screw cap bottle is ideal for storing, transporting, and dispensing liquid medications, chemical solutions, syrups, and other pharmaceutical formulations. The clarity of the glass ensures excellent visibility of the contents, allowing for easy monitoring of the liquid level while maintaining the integrity and sterility of the stored substance.
This 250ml pharmaceutical glass bottle is engineered to meet the stringent requirements of the medical and pharma industries. It is highly resistant to chemical interactions, ensuring that the contents remain unaffected by the container. The inert nature of glass makes it one of the safest materials for pharmaceutical storage, as it does not leach chemicals or interfere with the composition of sensitive drugs and solutions. Its transparency also aids in proper labeling and verification, an essential feature for medical professionals and quality control personnel.
The bottle features a screw cap design that offers a secure seal, preventing leakage, contamination, and exposure to air or moisture. This tight seal is essential for maintaining the shelf life and potency of pharmaceutical products. Whether the bottle is used for oral syrups, liquid medicines, or sample collection in clinical settings, the cap closure ensures the contents are safe from external environmental factors, such as temperature fluctuations and humidity. The 250ml capacity strikes the perfect balance between convenience and utility, making it ideal for single-patient or short-term use while minimizing waste.
With its durable construction and precision finish, this glass bottle can withstand repeated handling, transportation, and storage without compromising its shape or effectiveness. It is designed with smooth walls and a uniform shape for easy labeling, stacking, and integration into automated or manual filling lines in pharmaceutical manufacturing facilities. The design is also suitable for laboratory applications where accurate volume measurement and storage of solutions are critical.
The bottle's material is compatible with both liquid and semi-liquid pharmaceutical products, including tinctures, emulsions, suspensions, and aqueous preparations. Its compatibility with a wide range of substances ensures its versatility in various branches of the medical field, from hospitals and clinics to pharmacies and research laboratories. Furthermore, glass is a sustainable, recyclable material, making this bottle an environmentally responsible choice for pharmaceutical packaging.
In addition to its pharmaceutical uses, the 250ml glass bottle is often favored for cosmetic and wellness products such as essential oils, herbal infusions, and health tonics due to its clean, clinical appearance and protective properties. It serves not only as a container but also as a functional tool in delivering precise dosages and maintaining formulation stability.
In summary, the 250ml Glass Bottle with a screw cap is a dependable and essential component of pharmaceutical packaging and storage. Its transparent design, durable glass material, and secure closure make it ideal for a wide range of pharmaceutical, laboratory, and clinical applications. With a focus on safety, functionality, and chemical resistance, this bottle provides a reliable solution for the storage and dispensing of medicinal liquids and formulations, while upholding the highest standards of hygiene and product integrity.

The Glass Stop Cock Ground Joint is a high-precision laboratory apparatus designed for seamless flow control in chemical and scientific experiments. Manufactured from high-quality laboratory-grade glass, this 2-inch glass stop cock is widely used in chemical laboratories where accuracy, safety, and chemical resistance are essential. It features a ground joint that ensures an airtight and leak-proof connection with other compatible glassware, providing scientists and researchers with a dependable solution for fluid regulation in various types of experimental setups. With a transparent white hue and a thickness of 1 mm, this stop cock delivers both functionality and visual clarity during operation.
This glass stop cock is engineered to provide excellent chemical resistance, making it suitable for handling a wide range of reactive substances, acids, bases, and organic solvents. The use of borosilicate glass or similar high-performance material ensures that the stop cock retains its structural integrity even under high temperatures and corrosive conditions typically encountered in laboratory settings. Its smooth and well-fitted ground joint allows for a perfect seal, minimizing the risk of leaks or contamination between chemical transfers, distillation procedures, or titration processes.
The 2-inch size is ideal for integration with standard laboratory glassware and allows for easy and safe control of liquid flow. Whether used in burettes, separating funnels, or custom chemical reactors, the glass stop cock ensures a smooth and precise opening and closing mechanism, giving researchers full control over the release of liquids or gases. Its ergonomic design and precise engineering reduce the risk of abrupt or uncontrolled spills, making it an essential component for experiments requiring exact measurements and controlled delivery.
Durability and reusability are key benefits of this laboratory glass stop cock. The robust construction allows for repeated use without compromising performance, while its easy-to-clean surface ensures that it can be sterilized and reused in multiple lab procedures. Its compatibility with standard glass joints enhances its versatility across laboratory environments, eliminating the need for custom adapters or proprietary equipment.
This glass stop cock is also a popular choice in educational institutions where laboratory accuracy is paramount. From high school chemistry labs to university-level research facilities, its clear and simple mechanism makes it easy for students and professionals alike to understand and operate. The precision ground joint not only promotes a secure connection but also ensures frictionless rotation, reducing the risk of glass damage due to excessive torque or pressure.
Safety is another hallmark of this glass stop cock. Its secure closure mechanism prevents backflow and unwanted exposure to hazardous chemicals, protecting both the user and the experimental integrity. Furthermore, the non-reactive nature of the glass material ensures that there is no interference with sensitive chemical reactions, allowing for accurate and reproducible results in analytical procedures.
In conclusion, the Glass Stop Cock Ground Joint is an indispensable tool in any chemical laboratory. Its 2-inch size, durable 1 mm thick glass body, high resistance to chemicals and heat, and precisely engineered ground joint make it ideal for applications involving controlled fluid transfer. Whether for routine laboratory work or advanced scientific experimentation, this stop cock offers unmatched reliability, safety, and performance, enhancing the quality and precision of lab procedures across educational, research, and industrial settings.

The 25 ml borosilicate glass pear-shaped flask is an essential laboratory apparatus designed specifically for precision in chemical handling, experimentation, and storage. Crafted from premium-quality borosilicate glass, this flask offers exceptional thermal and chemical resistance, making it a reliable choice for a variety of laboratory applications. With a compact capacity of 25 ml and a diameter of approximately 30 mm, this pear-shaped flask is ideal for small-scale reactions, distillations, or solution preparations where accuracy and clarity are paramount.
The defining characteristic of this flask is its pear-shaped body, which not only gives it a distinctive appearance but also offers practical advantages in the laboratory. The rounded base promotes uniform heat distribution during boiling or heating processes, which is particularly valuable in applications involving reflux or rotary evaporation. This shape also allows for more efficient mixing of contents with minimal loss, ensuring that chemical reactions proceed with improved consistency and reduced error. Additionally, the flask's narrow neck allows for secure sealing with stoppers or adaptors, which aids in the safe handling of volatile or sensitive compounds.
Made from heavy-duty borosilicate glass, this 25 ml pear-shaped flask is built to withstand thermal shocks, high temperatures, and exposure to corrosive chemicals. Borosilicate glass is renowned for its low coefficient of thermal expansion, which means it remains dimensionally stable even under sudden temperature changes. This property is crucial in laboratories where heating and cooling cycles are common. The material also provides excellent visibility, allowing researchers and technicians to observe chemical changes, color shifts, or precipitation with clarity and confidence.
This flask is widely used in organic chemistry laboratories for distillation procedures, solvent evaporation, and sample concentration. Its compatibility with rotary evaporators and other distillation setups makes it a versatile tool in academic, research, and industrial environments. In analytical laboratories, the flask supports precise measurement and handling of small-volume solutions, making it an essential piece for titrations, sample analysis, or reagent preparation. The flask's pear-shaped geometry and chemical resistance make it especially suitable for processes involving concentrated acids, bases, or organic solvents.
The 25 ml volume capacity allows for controlled experiments in micro-laboratory setups and educational demonstrations. Its small size is also beneficial when working with expensive or limited-availability chemicals, where waste minimization is a priority. This pear-shaped flask is also autoclavable and easy to clean, ensuring safe reuse without compromising on contamination risks. It fits securely into most laboratory clamps and stands, adding to its functional convenience during experiments.
In quality assurance labs, chemical research centers, and pharmaceutical environments, the use of a borosilicate glass pear-shaped flask like this one ensures adherence to rigorous safety and performance standards. Its high clarity, resistance to scratching, and chemically inert surface make it suitable for repeated use, even under demanding laboratory conditions. The transparency of the glass allows for easy labeling or marking for identification and measurement.
Overall, the 25 ml borosilicate glass pear-shaped flask stands out as a precise, durable, and efficient piece of laboratory glassware. Whether used in academic experiments, industrial research, or quality control processes, this flask provides consistent reliability, thermal resilience, and functional adaptability, making it an indispensable tool in modern chemical laboratories.

The Borosilicate Laboratory Conical Flask with a 50 ml capacity is an essential piece of laboratory glassware specifically designed to support a wide range of chemical experiments and analytical procedures. Made from high-quality borosilicate glass, this conical flask offers superior thermal resistance, exceptional durability, and outstanding chemical compatibility. Ideal for use in chemical laboratories, research facilities, and educational institutions, the flask is engineered to withstand rigorous daily use, including repeated heating, cooling, and exposure to various corrosive substances without degrading its performance or structural integrity.
With a modest 50 ml capacity, this laboratory conical flask is perfect for small-volume reactions, titrations, culture media preparation, or sample storage. Its compact size ensures minimal waste of reagents and is ideal for precision work where accurate measurements and controlled environments are critical. Weighing just 5 grams, the flask is lightweight yet robust, making it easy to handle and transport within the lab without compromising on stability. The ergonomic conical shape—broad at the base and narrowing toward the neck—provides excellent mixing characteristics, allows efficient swirling of liquids, and minimizes the risk of spillage during vigorous shaking or stirring.
One of the standout features of this conical flask is its high-temperature resistance. Thanks to the use of borosilicate glass, it can endure sudden changes in temperature and is suitable for direct heating on laboratory hot plates or over open flames when used with appropriate support equipment. This thermal shock resistance is particularly important in chemistry labs where heating and cooling cycles are frequent, and consistent performance is required across various temperature ranges. The material’s resistance to cracking, chipping, and scratching under extreme conditions ensures the flask’s longevity and reliability in demanding experimental settings.
The borosilicate glass construction also offers excellent resistance to chemical corrosion. It is highly inert and does not react with most acids, alkalis, or organic solvents, making it safe for storing and mixing aggressive chemicals. This makes the flask suitable for use in analytical chemistry, microbiology, biochemistry, and pharmaceutical laboratories where contamination control is vital. Its transparency allows clear visibility of the contents, enabling accurate observation of reactions, color changes, or sediment formation during experiments. The clarity of the glass also assists with easy measurement marking and helps ensure experimental precision.
This conical flask is often used in conjunction with other laboratory apparatus, such as burettes, pipettes, and condensers, making it a versatile tool that integrates seamlessly into a broad range of scientific workflows. It is ideal for qualitative and quantitative analysis, solution preparation, and sample storage, especially in controlled environments that demand strict adherence to experimental protocols. The small 50 ml size is especially useful for student labs and research projects that require frequent handling of multiple samples or precise volumetric measurements.
In conclusion, the 50 ml Borosilicate Laboratory Conical Flask is a compact, reliable, and indispensable piece of laboratory equipment. Its combination of lightweight design, high durability, chemical resistance, and thermal stability makes it ideal for use in chemical laboratories and research environments. Whether used for routine experiments, precision measurements, or educational demonstrations, this borosilicate conical flask delivers consistent, high-performance results, supporting safe and efficient laboratory operations.

The 100ml Borosilicate Glass Buchner Funnel is a high-performance laboratory apparatus designed to deliver reliable and efficient filtration in chemical and scientific research settings. Constructed from premium borosilicate glass, this Buchner funnel is engineered to withstand high temperatures, thermal shock, and chemical exposure, making it ideal for laboratories that conduct frequent filtration processes under varying conditions. With a capacity of 100 milliliters and a mouth diameter of 40mm, it is well-suited for medium-volume filtration tasks, commonly used in both academic and industrial lab environments.
One of the primary advantages of this 100ml Buchner funnel is its construction using borosilicate glass, a material well known for its superior durability, heat resistance, and chemical inertness. It can endure rapid temperature fluctuations without cracking or warping, allowing it to be used with both hot and cold liquids. This makes it an excellent tool for vacuum filtration processes, where the funnel may come in contact with heated chemical solutions or need to be sterilized at high temperatures before or after use. Its resistance to acids, alkalis, and organic solvents ensures that it retains structural integrity and does not react with experimental substances, thereby maintaining the purity of the samples being filtered.
The funnel features a round head shape, which is ideal for holding filter paper securely and evenly during use. This ensures a consistent rate of filtration and prevents leakage or bypass of unfiltered liquid. Its cylindrical stem can be easily attached to filtration flasks or connected to vacuum setups using rubber stoppers or adapters, facilitating vacuum-assisted filtration that speeds up the process compared to traditional gravity-based methods. The design of the stem ensures a tight and stable fit, minimizing the risk of spills and promoting safe and efficient lab operations.
Because of its compact size and 100ml capacity, this Buchner funnel is especially suitable for small-scale lab experiments, quality control procedures, or educational demonstrations. It is commonly used in chemistry, biology, pharmaceutical, and environmental laboratories where precise separation of solids from liquids is required. The clear glass construction allows for full visibility during filtration, enabling lab personnel to monitor progress and quickly identify any clogs or anomalies during the process.
Additionally, the smooth surface and non-porous nature of borosilicate glass make cleaning the funnel simple and effective. It is resistant to staining and can be sterilized through autoclaving or chemical disinfection, allowing it to be reused multiple times without compromising performance or safety. The funnel’s thick wall design adds an extra layer of protection, preventing breakage during routine lab handling and enhancing its lifespan.
Whether used in student labs for foundational chemistry lessons or in advanced research laboratories for analytical work, the 100ml Borosilicate Glass Buchner Funnel combines robust construction, excellent heat and chemical resistance, and efficient functionality to support high-quality filtration results. It meets the demands of professional laboratory standards while remaining easy to use, clean, and maintain. This versatile piece of lab glassware is an essential addition to any facility that requires reliable and precise filtration, offering both performance and durability for a wide range of scientific applications.

The Borosilicate Glass Two Neck Round Bottom Flask with a 100 ml capacity is an essential piece of laboratory glassware designed for precision, durability, and high thermal resistance. Crafted from premium quality borosilicate glass, this two-neck round bottom flask is ideal for various chemical laboratory applications where controlled reactions, mixing, distillation, or heating are required. The 100 ml capacity makes it a perfect choice for small-scale reactions or experiments, often used in analytical labs, academic research environments, pharmaceutical labs, and industrial settings where accuracy and safety are paramount.
Borosilicate glass is renowned for its ability to withstand high temperatures and thermal shock, making this flask a reliable tool in both low- and high-temperature environments. Its exceptional heat resistance ensures that it does not crack or deform during heating or cooling processes, making it suitable for use with Bunsen burners, hot plates, and other heating sources commonly found in laboratories. The 3mm thick walls enhance its durability and resistance to chemical corrosion, ensuring long-lasting use even in rigorous laboratory conditions. This flask can safely hold a range of chemicals, including acids, bases, and organic solvents, without compromising its structural integrity or clarity.
The round bottom design of the flask facilitates even distribution of heat during reactions, which is particularly important in experiments requiring consistent thermal input. This shape is also ideal for magnetic stirring and rotary evaporators, as it encourages smooth and uniform mixing of contents. The two-neck configuration offers the advantage of multitasking during experimental setups. While one neck can be used for adding reagents or connecting condensers, the other can hold thermometers, stoppers, or other laboratory apparatus, making it suitable for more complex experimental procedures that require simultaneous operations.
Both necks are crafted with precision to fit standard ground glass joints, allowing for leak-proof connections with other lab equipment. This enhances safety during reactions involving volatile or hazardous substances, while also providing flexibility to configure various apparatus assemblies. The transparent nature of the borosilicate glass enables easy monitoring of the contents and reaction progress, which is crucial in ensuring accurate results and maintaining lab protocol. The smooth, polished surface of the flask ensures easy cleaning, reusability, and resistance to staining, which is vital for maintaining the purity of substances in sensitive experiments.
Compact in size and lightweight, the 100 ml Borosilicate Glass Two Neck Round Bottom Flask is also easy to handle, store, and transport. Its compatibility with laboratory clamps and heating mantles adds to its versatility, enabling it to be securely positioned during use. Whether in use for synthesis, distillation, chemical reactions, or teaching purposes, this flask delivers reliable performance across a wide range of laboratory tasks.
In summary, the 100 ml Borosilicate Glass Two Neck Round Bottom Flask is a high-quality laboratory essential that combines functional design with superior material properties. Its dual-neck structure, heat-resistant borosilicate glass construction, and ergonomic round-bottom shape make it a highly dependable tool for professionals and students alike in the field of chemistry and scientific research. Durable, safe, and efficient, this flask enhances the accuracy and effectiveness of laboratory work, contributing to smoother experimental workflows and trustworthy results.

These 100 mm Borosilicate Glass Test Tubes with a 10 ml capacity are an essential component for any chemical laboratory, providing exceptional reliability, heat resistance, and chemical durability. Designed with precision, each test tube features a standard outer diameter of 6 mm, a thickness of 2 mm, and a total length of 100 mm, making it ideal for a wide variety of laboratory tasks such as sample collection, heating, mixing, storage, and general chemical reactions. These tubes are meticulously crafted from high-grade borosilicate glass, a material known for its excellent thermal resistance and resistance to chemical corrosion. This makes them especially suitable for environments that involve rapid heating and cooling cycles or where strong reagents are handled regularly.
The 10 ml volume is conveniently sized for small-scale testing, precise liquid handling, and controlled experimentation, allowing for accurate measurement and observation without wasting materials. The clear transparency of the borosilicate glass provides an unobstructed view of the contents, enabling easy monitoring of reactions, sedimentation, or color changes. This clarity is essential for quality control, teaching demonstrations, or academic research. The uniform 6 mm diameter ensures consistency in usage with standard laboratory equipment such as test tube racks, holders, clamps, and centrifuges.
Borosilicate glass, used in the manufacturing of these test tubes, stands out due to its high thermal expansion coefficient and its ability to withstand extreme temperature fluctuations without cracking. This makes these test tubes suitable for flame-based heating or use in autoclaves for sterilization. Their strong resistance to acids, alkalis, and organic solvents also ensures they can be used for a broad range of chemical applications without degradation of material or contamination of samples. Whether being used in a school, college, pharmaceutical laboratory, industrial R\&D center, or clinical testing environment, these test tubes offer consistent and dependable performance.
The smooth rim and cylindrical shape allow for safe handling and pouring, while the 2 mm wall thickness ensures sufficient durability against mechanical shock. These test tubes are particularly useful in organic and inorganic chemistry labs, where precision, purity, and resilience are critical. Additionally, the compact 100 mm size makes them easy to transport, organize, and store without taking up unnecessary space, which is especially advantageous in space-constrained laboratories or mobile testing kits.
Being available in stock ensures prompt delivery and seamless integration into ongoing lab operations or new setups. The consistent quality control and precise measurements of these test tubes make them compatible with automated systems and manual experimental procedures alike. They serve as a foundational piece of equipment that supports a wide range of scientific tasks, from educational demonstrations and classroom labs to advanced chemical research and diagnostics.
In conclusion, the 100 mm Borosilicate Glass Test Tubes with a 10 ml capacity offer the perfect blend of functionality, durability, and precision. Their resistance to chemical and thermal stress, combined with their clarity and ease of use, makes them a preferred choice for professionals and educators who require reliable labware. Built to meet the demands of modern laboratories, these test tubes provide consistent performance in both routine and complex experimental conditions.

The 50 ml Graduated Cylinder is a precision-engineered laboratory essential crafted from high-quality borosilicate glass, designed specifically for accurate volumetric measurements in chemical laboratories. With a capacity of 50 milliliters, this graduated cylinder offers exceptional clarity and durability, making it ideal for both educational and professional laboratory environments. The heavy wall construction enhances the cylinder’s strength and resistance to thermal and mechanical stress, allowing it to withstand repeated heating and cooling cycles without compromising accuracy or safety. Its robust design ensures long-lasting use even under demanding lab conditions, making it a reliable choice for routine experimental procedures.
The white graduation markings on the clear borosilicate glass surface are finely etched and easy to read, ensuring precise measurement of liquids down to the milliliter. This feature is particularly important in laboratory settings where accuracy and consistency are paramount. Whether used in titrations, sample preparations, or solution dilutions, this 50 ml graduated cylinder provides consistently accurate results, supporting a wide range of quantitative analytical tasks. Its cylindrical shape is designed for optimal stability, minimizing the risk of tipping and spillage, while the spout allows for easy and controlled pouring of liquids without drips or splashes.
This cylinder is specifically tailored for chemical laboratories, where resistance to chemicals, heat, and sudden temperature changes is essential. Borosilicate glass is known for its excellent thermal resistance and low coefficient of expansion, making it ideal for handling both hot and cold solutions. It is resistant to most acids, alkalis, and organic solvents, ensuring compatibility with a wide variety of reagents and solutions typically used in laboratory experiments. The cylinder’s heavy wall design not only provides added protection against breakage but also ensures safety during high-temperature procedures, such as autoclaving or heating on laboratory hotplates.
Designed with functionality and safety in mind, the 50 ml Graduated Cylinder is a perfect addition to educational institutions, research centers, pharmaceutical labs, and industrial testing facilities. Its precise gradation and chemical-resistant material make it suitable for use in schools and colleges for teaching fundamental concepts in chemistry, biology, and environmental science. The high transparency of the borosilicate glass allows for easy visibility of the liquid levels and any reactions that may take place within the cylinder, which is crucial for observational experiments and laboratory demonstrations.
In addition to its scientific utility, the cylinder's compact size and ergonomic design make it easy to store and handle. Its form factor ensures it takes up minimal bench space while delivering maximum performance in terms of measurement accuracy and reliability. The clean, white finish of the graduation lines against the transparent glass adds a professional look, complementing the aesthetic of modern laboratory setups.
Overall, the 50 ml Graduated Cylinder made from borosilicate glass is an indispensable piece of heavy wall glassware that delivers superior performance, safety, and precision. It serves as a trusted tool for a wide range of laboratory applications, helping scientists, students, and researchers conduct experiments with confidence and consistency. From measuring reagents to mixing solutions, this durable and easy-to-read cylinder enhances laboratory workflows and supports the highest standards of scientific accuracy and operational excellence.

The 250 ml Glass Volumetric Flask is an essential laboratory apparatus designed specifically for precise chemical measurements and volumetric analysis. Manufactured using premium-quality borosilicate glass, this flask is known for its superior chemical resistance, thermal stability, and high durability under extreme laboratory conditions. Ideal for use in chemical laboratories, academic research centers, industrial quality control labs, and pharmaceutical settings, this volumetric flask ensures accurate preparation of standard solutions and precise dilutions, which are crucial for analytical procedures.
With a total capacity of 250 milliliters, this volumetric flask is calibrated to deliver exact volume readings, making it suitable for a wide range of experiments that demand precision. The narrow neck is fitted with a clear graduation mark etched into the glass, which indicates the accurate volume level. This calibration ensures that each solution prepared using this flask is consistent and repeatable, a vital feature in any analytical or research-based laboratory environment. The transparency of the borosilicate glass allows easy visual inspection of contents, facilitating better observation during mixing and analysis.
One of the most important attributes of this volumetric flask is its flat-bottom design, which offers stability when placed on lab benches or heating surfaces. This design reduces the risk of tipping and ensures safety during experimental processes. The flat base, combined with the ergonomic shape and lightweight nature of the flask, makes handling and cleaning more convenient for laboratory personnel. In addition, the flask is typically accompanied by a tightly fitting stopper or cap, which helps to prevent contamination or evaporation of the solution during storage or handling.
The borosilicate glass construction of the 250 ml volumetric flask gives it excellent resistance to heat and chemical corrosion. This makes it suitable for use with a wide array of solvents, acids, and alkalis, without risk of damage or reaction with the flask material. Whether used for titration, reagent preparation, or standard solution storage, this glassware offers long-term reliability and consistent performance. Its heat-resistant nature also allows it to withstand autoclaving, making it easy to sterilize and reuse, thus supporting eco-conscious laboratory practices.
Precision and accuracy are the hallmarks of any good volumetric flask, and this 250 ml version is no exception. The fine graduation line ensures exact measurement to the designated capacity, a feature indispensable in analytical chemistry and pharmaceutical applications. Laboratories dealing with exact concentration formulations, molarity-based titrations, or certified solution preparations will find this flask to be a vital addition to their glassware inventory. Its chemical resistance and inert nature further ensure that no unwanted interactions affect the purity or reactivity of the stored solution.
In conclusion, the 250 ml Glass Volumetric Flask made from borosilicate glass is a must-have for any laboratory that demands precision, reliability, and long-lasting performance. Its heat resistance, flat-bottom stability, and accurate volumetric calibration make it the ideal choice for professionals working in chemical laboratories, educational institutions, and quality control departments. Whether used for preparing reagents or conducting complex chemical analyses, this volumetric flask ensures consistent accuracy and safety in every use.

The Borosilicate Glass Conical Laboratory Filtration Flask with a 1000 ml capacity is a high-performance laboratory tool specifically designed for filtration and vacuum applications in scientific, industrial, and educational environments. Constructed from premium-quality borosilicate glass, this conical flask is built to withstand high thermal stress, making it highly resistant to heat, thermal shock, and aggressive chemicals. The 3mm thick glass construction ensures enhanced durability and long-lasting performance, even under continuous laboratory use. This filtration flask is an essential component in chemical laboratories where precision, strength, and reliability are required for handling volatile or reactive substances.
The conical shape of the flask not only provides stability during use but also minimizes spillage and splashing, making it ideal for use with vacuum filtration setups. The wide base and tapered neck allow for easy swirling and mixing of contents without risk of overflow. The design includes a side arm or outlet, which is typically used to connect the flask to a vacuum source, enabling efficient filtration by creating a pressure differential. This setup significantly speeds up the filtration process, particularly when working with fine particulate matter or high-viscosity fluids, ensuring faster and more efficient results in a laboratory setting.
With a generous 1000 ml capacity, the flask accommodates larger sample volumes, making it ideal for medium- to large-scale filtration procedures. The transparency of the borosilicate glass allows clear visibility of the contents and the progress of the filtration process, which is critical for observing reactions or separation in real time. This visibility also aids in accurate measurements and assessments, reducing the risk of error in experimental procedures. The calibrated markings on the flask enhance convenience by providing quick reference points for volume estimation, even though exact measurements may require a separate measuring cylinder.
The borosilicate glass used in the construction of this filtration flask is non-reactive, ensuring that it does not interfere with chemical reactions or leach impurities into the contents. This makes the flask suitable for handling a wide variety of chemical substances, including acids, alkalis, solvents, and organic reagents. In addition, the smooth, non-porous surface of the flask prevents contamination, facilitates easy cleaning, and ensures consistent performance across repeated uses.
This 1000 ml conical filtration flask is widely used in various laboratory applications, including microbiology, analytical chemistry, pharmaceutical research, environmental testing, and industrial quality control. Its robust design and compatibility with standard rubber stoppers, funnels, and vacuum tubing make it a versatile and indispensable piece of equipment in any lab. Researchers and technicians rely on the structural integrity and thermal resistance of this flask to perform accurate and safe experiments involving vacuum suction, liquid transfer, and solution preparation.
Whether in academic institutions, research laboratories, or industrial facilities, the Borosilicate Glass Conical Laboratory Filtration Flask stands out for its reliability, chemical resistance, and precise craftsmanship. Its ability to endure extreme temperature changes and chemical exposure without compromising structural integrity makes it a superior choice for filtration processes. This flask not only enhances operational efficiency but also contributes to the accuracy and safety of laboratory procedures, making it an essential tool for professionals in scientific and technical disciplines.

Ungraduated 250ml capacity,Iodine flask made of high quality, heavy duty borosilicate glass.Ground joint and interchangeable stopper and Socket size 29/32.Used for iodine value determination.

 

The 500ml Borosilicate Glass Laboratory Flask is a premium-grade scientific vessel meticulously designed for high-precision laboratory applications. Made from high-quality borosilicate glass, this flask ensures superior chemical durability, excellent thermal resistance, and exceptional clarity, making it a preferred choice for scientific professionals, researchers, and educators. Its robust composition allows it to withstand rigorous usage in both academic and industrial laboratories where precision and reliability are of utmost importance.
With a capacity of 500 milliliters, this lab flask offers ample volume for conducting chemical reactions, preparing solutions, and heating substances. The borosilicate glass material offers a significant advantage over standard glass, as it contains silica and boron trioxide, which confer outstanding resistance to thermal shock. This enables the flask to endure sudden temperature changes without cracking, making it suitable for use over open flames or hot plates, up to a heat capacity of 140 degrees Celsius. The uniform wall thickness ensures even distribution of heat, thereby maintaining the stability of reactions and reducing the risk of distortion or breakage during heating and cooling cycles.
The 500ml borosilicate lab flask is designed with a conical or round-bottom structure—depending on the application need—allowing for efficient mixing and swirling of solutions without the risk of spillage. The narrow neck can be easily sealed with rubber stoppers or fitted with laboratory apparatus such as burettes, condensers, or funnels for various experiments. Its smooth and polished surface ensures that residues can be easily cleaned, and it is fully autoclavable for safe sterilization and reuse, aligning with sustainable lab practices.
This laboratory flask is widely used in chemistry, biology, pharmaceutical, and environmental sciences due to its adaptability and precision. Whether it is used for titrations, distillations, culturing media, or simply holding and storing chemical substances, the flask maintains its integrity and clarity even after repeated use. Its transparency facilitates easy observation of reactions, sedimentation, or color changes, which is essential for analytical experiments and teaching demonstrations.
Designed to meet stringent laboratory standards, the 500ml borosilicate glass flask is compatible with most laboratory stands and holders. It resists corrosion from acids, alkalis, and organic solvents, making it an all-purpose vessel suitable for a broad spectrum of chemicals. Researchers can confidently conduct sensitive procedures without concern for contamination or compromise in material structure. Furthermore, its calibrated markings (if included) allow for accurate volume measurements, contributing to the consistency and reproducibility of experimental results.
The flask is an essential item in every laboratory setup, valued for its durability, safety, and versatility. It supports both academic and professional experimentation and is ideal for institutions that demand consistent performance from their labware. The flask’s balanced weight and stable base make it convenient to handle during high-precision tasks, while its resistance to scratching and chemical attack ensures long-term usability.
In summary, the 500ml Borosilicate Glass Laboratory Flask offers an optimal combination of functionality, safety, and durability for all laboratory environments. Whether used in school labs or advanced research facilities, it provides reliable performance under a wide range of experimental conditions. Currently in stock, this flask is a smart and essential addition for anyone seeking reliable, high-quality glassware for scientific applications.

The 250ml conical flask with cork is an essential laboratory glassware item designed for a wide range of scientific, educational, and research applications. Crafted from premium borosilicate glass, this conical flask offers excellent thermal resistance and chemical durability, making it an ideal choice for environments that require precision, reliability, and safety. The borosilicate composition ensures that the flask can withstand high temperatures and sudden thermal changes without the risk of cracking or breakage, allowing it to be used confidently in heating, boiling, or cooling experiments.
With a total capacity of 250 milliliters, this conical flask is well-suited for standard chemical preparations, titrations, and solution storage. Its tapered shape with a narrow neck helps minimize the risk of spills and evaporation, while also providing convenient handling during swirling or mixing of liquids. The presence of clear volume markings at every 50ml increment enables accurate measurement and monitoring of liquid contents, enhancing precision in experimental procedures.
The flask is complemented by a high-quality rubber cork that fits snugly into the mouth of the flask, ensuring a secure seal that prevents contamination and allows for safe storage of volatile or sensitive substances. This cork is flexible yet durable, providing a reliable closure that supports experiments requiring isolation from the external environment. The cork also makes the flask suitable for mild distillation processes, temporary containment of gases, or the preparation of airtight chemical mixtures.
This heat-resistant conical flask is particularly beneficial in applications where heating is required, such as in boiling solutions, conducting chemical reactions, or autoclaving. The borosilicate glass maintains structural integrity even under direct flame or on a hotplate, reducing the likelihood of damage during temperature shifts. Additionally, its transparency allows for easy observation of the contents and reactions occurring within the flask, aiding in better process control and documentation during experiments.
The flask’s design adheres to laboratory standards, making it compatible with common lab accessories such as clamps, rings, and stirrers. Its conical shape promotes efficient mixing when swirled and facilitates easy decanting of liquids without spills. The flask is also easy to clean and maintain, as its smooth glass surface resists staining and does not react with most acids or alkalis used in labs.
Ideal for educational institutions, research labs, and professional scientific settings, this 250ml conical flask with cork offers versatility, durability, and precision. It can be used in biology, chemistry, and environmental science labs for a variety of purposes, including culturing media, storing chemical reagents, preparing standard solutions, or conducting chemical synthesis. It is a reliable and essential tool for professionals and students alike, contributing to safe and accurate experimental work.
In conclusion, the 250ml borosilicate conical flask with rubber cork is a robust and practical laboratory accessory, built to handle rigorous use in scientific settings. Its heat resistance, measurement markings, ergonomic shape, and airtight sealing capabilities make it an indispensable item for laboratories focused on quality, safety, and precision.

The Borosilicate Glass Two Neck Round Bottom Flask with a 500 ml capacity is a premium-grade laboratory apparatus specifically designed for demanding industrial and chemical applications. Constructed from heavy wall borosilicate glass, this flask offers superior resistance to thermal shock, mechanical stress, and aggressive chemicals. Its robust design ensures long-term durability and reliability in laboratories, research facilities, and industrial environments where high temperatures and reactive substances are routinely involved. With its glossy finish and precision craftsmanship, the flask combines both functional efficiency and visual clarity, making it an indispensable tool for accurate and safe experimentation.
This round bottom flask features two carefully positioned necks, allowing for versatile configurations during complex distillation, reflux, and synthesis procedures. The dual-neck design provides the flexibility to connect additional laboratory instruments such as condensers, thermometers, funnels, or tubing systems, which is crucial for multitasking within a controlled reaction environment. The spherical bottom ensures even heat distribution when used with heating mantles or oil baths, reducing the risk of localized overheating and promoting uniform reaction conditions. The 500 ml capacity makes it ideal for medium-scale reactions, balancing volume with manageability.
The use of borosilicate glass enhances the flask’s resistance to chemical corrosion, making it highly suitable for working with acids, alkalis, and a variety of solvents. Its low coefficient of thermal expansion ensures that it can withstand rapid temperature changes, making it safe for both heating and cooling cycles. This attribute is especially important in industries involving continuous heating processes or where alternating between hot and cold fluids is necessary. The transparency of the glass allows for easy visual monitoring of reaction progress without interrupting the procedure, adding to the operational convenience and safety.
The printed measurement markings on the surface of the flask offer clear visibility and assist in maintaining precise volumetric control during experiments or production processes. These markings are designed to be chemically resistant and long-lasting, ensuring they do not fade or degrade over time. The flask’s glossy finish not only enhances its appearance but also aids in cleaning and maintenance, ensuring that residues can be easily removed and contamination risks minimized.
Engineered for industrial use, this two neck round bottom flask is compatible with a wide range of laboratory glassware and joint systems, providing a seamless integration into existing setups. It is frequently used in chemical processing plants, pharmaceutical production, biochemical analysis, and materials research. Whether employed in organic synthesis, compound purification, or reaction kinetics studies, the flask’s structural integrity and versatile design support high-precision applications and operational safety.
The heavy wall construction further enhances its shock resistance, which is essential in industrial settings where accidental impact could otherwise compromise standard glassware. Additionally, its ergonomic design supports easy handling and secure clamping during long procedures. This makes the flask a preferred choice among laboratory professionals who demand reliable, high-performance glassware capable of withstanding rigorous daily use.

The 250 ml Borosilicate Glass Beaker in low form design with a round bottom is a staple in chemical laboratories, known for its exceptional durability, heat resistance, and versatility. Constructed from high-quality borosilicate glass, this beaker offers outstanding performance in demanding laboratory conditions where thermal shock, chemical exposure, and repetitive usage are commonplace. Its 250 ml capacity makes it ideal for a wide range of laboratory applications, from routine solution preparation to complex analytical experiments.
Borosilicate glass is specifically chosen for its ability to withstand high temperatures and resist corrosion from aggressive chemicals. This material contains silica and boron trioxide, giving it superior thermal expansion properties compared to regular glass. As a result, the beaker can endure sudden changes in temperature without cracking or breaking, making it perfect for heating and cooling cycles during laboratory procedures. The clarity of the glass ensures excellent visibility of contents, allowing researchers and technicians to monitor reactions, observe phase separations, and measure volumes accurately.
The beaker’s round bottom promotes even distribution of heat during heating processes, making it particularly suitable for use over flame or with laboratory hot plates. Unlike flat-bottomed containers, round-bottom beakers minimize localized heating and prevent the formation of hotspots, which is essential when working with sensitive or reactive compounds. The rounded shape also facilitates better mixing and stirring of solutions when combined with magnetic stirrers or manual agitation, enhancing the efficiency and consistency of experimental outcomes.
Low form design refers to the beaker's relatively short and wide profile, which provides stability during use and makes pouring more controlled. The wide mouth allows for easy filling, sampling, and cleaning, while the presence of a spout aids in spill-free transfers of liquids. The 250 ml volume capacity is clearly graduated, allowing for precise measurement of liquids during preparation or transfer, reducing errors in volumetric analysis and solution making.
In educational settings, this beaker serves as a reliable tool for chemistry labs, physics experiments, and biology demonstrations, supporting a hands-on approach to science education. In research laboratories and industrial environments, it finds frequent use in titrations, dilutions, boiling, and sample storage. Its compatibility with laboratory clamps and support rings also makes it a versatile choice for distillation setups and other apparatus-based configurations.
Easy to clean and autoclavable, the 250 ml borosilicate glass beaker maintains hygiene and sterility standards required in sensitive procedures, such as pharmaceutical and microbiological work. The glass is non-reactive with most chemicals, ensuring that it does not interfere with reactions or leach contaminants into the contents. This feature is particularly important when preparing or storing high-purity solutions, reagents, and samples.
For laboratories seeking durability, precision, and functionality in their glassware, the 250 ml borosilicate glass round bottom beaker is an essential choice. Its high thermal and chemical resistance, clear visibility, and practical design make it an indispensable tool across various scientific disciplines. Whether used in academic labs, industrial testing facilities, or research institutions, this beaker provides dependable service and long-term value for accurate and safe laboratory work.

The Polylab Aspirator Bottle is made of Polypropylene and are therefore much lighter than the glass. Our Aspirator Bottle is Autoclavable, Durable and Dependable. The Leak Proof Spigot screwed to the Aspirator Bottle�s body requires only a half turn to open or close. Our Aspirator Bottle is used for storing or dispensing distilled water and other laboratory solutions. Threads should be totally disengaged before autoclaving.

Product Details: Shape Conical Design Type Conical Type Of Glassware Borosilicate Glass Color Transparent Material Borosilicate Size 38-200 mm Usage/Application Laboratory A funnel is a tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening.

� A borosilicate glass BOD bottle is a specialized laboratory glassware used for determining the Biochemical Oxygen Demand (BOD) of a water sample. � It's typically made of borosilicate glass, a material known for its high thermal and chemical resistance. � These bottles are usually 300 ml capacity and designed with an interchangeable stopper to seal the sample during incubation.