Best Round Bottom Lab Flasks of 2025

The StonyLab Round Bottom Flask is designed for high-temperature applications, with a maximum temperature resistance of 200°C. Constructed from durable borosilicate glass, this flask offers excellent thermal stability, making it ideal for boiling and other laboratory processes. Its long neck design facilitates easy handling and pouring, providing convenience during experiments. With a capacity of 250 ml, it is suitable for various applications, allowing you to measure and mix liquids with precision.

The KING SCIENTIFIC Glass Flask is designed with a 500ml capacity, making it ideal for various laboratory applications. Its flat bottom ensures stability, allowing you to work efficiently without the risk of tipping. Crafted from durable borosilicate glass, this flask can withstand high temperatures and is resistant to thermal shock. The narrow beaded neck provides a secure grip, making it easier for you to handle the flask without spills. Overall, this flask offers a practical and cost-effective alternative to other brands.

The Heavy Duty Round Flask offers a generous 1000ml capacity, making it ideal for various laboratory tasks. Constructed from durable borosilicate glass, it withstands high temperatures and is resistant to thermal shock. The flat bottom design provides stability, ensuring that it won’t tip over easily during use. With a narrow beaded heavy duty neck, pouring liquids becomes effortless, allowing for precise measurements and reducing spillage. This flask is a cost-effective alternative to more expensive brands like Pyrex, giving you great value for your money.

The StonyLab Round Bottom Flask is an essential tool for any laboratory setting. With its three angled necks, you can easily connect multiple pieces of equipment, making your experiments more efficient. Constructed from durable borosilicate glass, it can withstand temperatures up to 200°C, ensuring reliability during heating processes. The 24/40 centre joint allows for standard compatibility with other lab apparatus, providing you with versatility in your work. This flask is perfect for a variety of applications, helping you achieve precise results with ease.

The StonyLab Round Bottom Flask is an essential tool for your chemical experiments. Its round bottom design allows for even heating and efficient mixing of substances, making it ideal for various reactions. With a single neck featuring a 24/40 standard taper, it ensures compatibility with numerous laboratory equipment. Crafted from borosilicate glass, this flask can withstand temperatures up to 200°C, providing you with reliability and safety during your experiments. This product is perfect for both students and professionals who require a durable and effective heating vessel.

The Labasics Round Bottom Flask holds a generous capacity of 2000ml, making it ideal for various laboratory applications. Crafted from high-quality borosilicate glass, it can withstand temperatures up to 250°C, ensuring durability during experiments. Its single neck design with a 24/40 standard joint offers convenience for secure fittings with other lab apparatus. Additionally, the hand-blown craftsmanship enhances performance, providing you with reliable and precise results in your work.

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 ADAMAS-BETA Boiling Flask is a practical choice for laboratory use. With a 200ml capacity, it allows you to easily manage smaller volumes of liquids. Its single neck design makes it simple to integrate with other lab equipment. The round bottom shape ensures even heat distribution, which is ideal for boiling processes. Made from G3.3 borosilicate glass, this flask provides excellent thermal resistance, giving you confidence in its durability during experiments.

The StonyLab Round Bottom Flask is a versatile laboratory tool featuring a round bottom design, ideal for even heating and mixing of liquids. Constructed from durable borosilicate glass, it offers excellent resistance to thermal shock, ensuring longevity in your experiments. The single short neck with a 24/40 joint allows for easy attachment of other glassware, making it convenient for complex setups. With a capacity of 500 ml, it provides ample space for conducting various chemical reactions.

The StonyLab Round Bottom Flask is designed for efficient mixing and heating in laboratory settings. Its round bottom shape allows for uniform heating and prevents liquid from getting trapped in corners, which enhances your experiments. With two angled necks, this flask provides easy access and improved handling, making it convenient for your work. The 24/40 centre joint allows for compatibility with a range of standard laboratory equipment, ensuring versatility in your tasks. Made from durable borosilicate glass, it can withstand temperatures up to 200°C, making it perfect for various applications.