Best Borosilicate Glass Lab Flasks of 2025

The PATIKIL Erlenmeyer Flasks are excellent for anyone needing reliable tools for measuring, mixing, and storing liquids. Made from high borosilicate glass, they are both strong and durable, ensuring longevity in laboratory settings. The clear graduation marks enable you to measure volumes accurately, which is essential for the success of your experiments. Their narrow mouth design helps prevent evaporation, making them particularly useful when working with volatile substances. This product is perfect for both beginners and seasoned professionals alike.

The QWORK® Erlenmeyer Flask Set includes three flasks in 50ml, 100ml, and 250ml sizes, allowing you to measure liquids accurately thanks to the clear scale on each flask. The frosted glass sealing stopper ensures a good seal, which is essential for preventing any leakage during your experiments. Made from durable Borosilicate 3.3 Glass, these flasks resist high temperatures and are resistant to acids and alkalis, making them perfect for various laboratory applications. With this set, you will find the right flask for your needs, all securely packaged for protection.

The StonyLab Filtering Flask is designed for effective pressure filtration, helping you to increase the flow rate of concentrated solutions that are typically slow or challenging to filter at normal pressure. Made from durable borosilicate glass, it can withstand temperatures up to 200°C, ensuring reliability during experiments. The flask features a narrow mouth and a tooled top finish, which makes it easy to handle. Additionally, it comes fitted with a small suction nozzle that connects to 8mm I.D. hoses, allowing for convenient vacuum connections.

The StonyLab Boiling Flask is a versatile laboratory tool designed for various heating applications. Made from durable borosilicate glass, it can withstand temperatures up to 200°C, ensuring safety during high-heat experiments. The flat bottom design provides stability on lab surfaces, minimising the risk of spills. Additionally, the long neck allows for easy handling and pouring, making it convenient for transferring liquids without mess. This flask's 250ml capacity is ideal for small-scale experiments, giving you just the right amount for precise measurements.

The Academy Erlenmeyer Flask is a versatile laboratory tool made from durable borosilicate glass. With a generous 1000ml capacity, it features clear white graduations for easy measurement, allowing you to follow experiments accurately. Its narrow neck design helps minimise evaporation and spills, providing users with greater control during mixing and stirring. Additionally, this flask offers an affordable alternative to expensive Pyrex options, without compromising on quality, making it an excellent choice for both students and professionals alike.

The Rocwing Graduated Glass Flask is crafted from durable borosilicate 3.3 glass, making it resistant to heat and thermal shock. This means you can confidently use it in various laboratory environments without worrying about breakage. The flask features clear white graduation markings, allowing for precise measurements, which is essential for accurate experiments. Additionally, the white note writing display offers convenience for labelling, helping you keep track of your samples easily. This flask is an excellent choice for anyone in need of reliable laboratory equipment.

The Labasics Round Bottom Flask is an essential tool for anyone engaged in chemical or biochemical experiments. With a generous capacity of 500 ml and four 24/40 standard taper outer joints, it allows you to conduct multiple reactions simultaneously. Made from heavy-duty borosilicate glass, this flask can withstand temperatures up to 250°C, making it ideal for high-heat applications. Its bubble-free smooth surface ensures high transparency and uniform thickness, providing you with reliable performance while reducing the risk of breakage under pressure.

The Yizerel Erlenmeyer Flask Set includes three flasks of varying sizes, complete with rubber stoppers for secure sealing. The accurate scales on each flask allow you to measure liquids precisely, enhancing your experimental efficiency. Made from durable borosilicate glass, these flasks resist shattering and high temperatures, making them ideal for lab work and scientific studies. Their reusable and environmentally friendly design offers convenience and sustainability for your experiments.

The PATIKIL Erlenmeyer Flask is a versatile tool designed for accurately measuring, mixing, and storing liquids in laboratory settings. Made from high borosilicate glass, it offers excellent temperature resistance and chemical stability, ensuring durability during use. The clear scale printed on the flask allows you to measure volumes precisely, which is essential for conducting accurate experiments. Additionally, its narrow mouth design and screw cap help prevent the evaporation of liquids, making it a practical choice for both beginners and experienced users.

The StonyLab 2-Neck Flask is an essential tool for your chemical experiments. Its versatile functionality allows you to easily add reactants and measure temperatures during various reactions, enhancing your workflow. With multiple capacities available, you can choose the right size for your specific needs. The superior craftsmanship ensures a smooth surface and high transparency, which is critical for precise measurements. Additionally, the robust borosilicate glass construction offers excellent resistance to acids and alkalis, making it a durable choice for ongoing research.