Best Polypropylene Lab Flasks of 2025

The ULAB Erlenmeyer Flask offers a translucent wall that allows you to easily see the liquid level, ensuring precise measurements. Its linerless leakproof screw closure protects your samples from spills and contamination, giving you peace of mind during experiments. The flask is designed to be repeatedly autoclavable, making it suitable for long-term use in rigorous laboratory settings. Additionally, the threaded polypropylene screw cap can be tightened to create a secure, leak-proof seal, enhancing the reliability of your storage solutions.

The Eisco 100ml Volumetric Flask is crafted from high-quality Borosilicate 3.3 glass, making it ideal for both professional laboratories and home use. Its 100ml capacity is calibrated to contain, giving you exact measurements for your experiments. The flask features a Class A tolerance, ensuring accuracy in your work, while the superior heat and chemical durability means you can confidently use it in microwaves and autoclaves. This makes it a reliable choice for any setting, providing convenience and peace of mind.

The PATIKIL Volumetric Flask is a 25ml measuring tool made from durable 3.3 borosilicate glass, ideal for various laboratory settings. Its thickened design resists both high and low temperatures, ensuring reliable performance in your experiments. The polypropylene stopper effectively reduces evaporation and prevents any liquid leakage, giving you peace of mind during use. The transparent body and precise white graduation lines guarantee accurate measurements, helping you achieve consistent results in your work.

The Eisco 20ml Volumetric Flask stands out with its high-quality, heavy-duty 3.3 borosilicate glass, ensuring durability and reliability in your experiments. With a capacity of 20ml and a single white graduation mark, it provides accurate measurements, essential for precise lab work. The flask features a socket size of 10/19, adhering to DIN ISO 1042 standards, which guarantees compatibility with various laboratory equipment. Additionally, its chemical-resistant polypropylene stopper enhances safety by preventing contamination and evaporation, making it an ideal choice for your laboratory needs.

The QWORK Conical Flask Set includes three durable flasks made from food-grade plastic, ideal for lab and educational use. Each flask has a sturdy base, ensuring stability during measurements, which helps reduce errors. The clear scale markings allow you to read measurements accurately, making your experiments more reliable. Additionally, the translucent walls provide excellent visibility of liquid levels, so you can easily monitor your samples without hassle.

The Eisco 5mL Volumetric Flask is crafted from premium borosilicate 3.3 glass, ensuring durability and resistance to thermal shock. Its acid proof polypropylene stopper provides a secure seal, making it ideal for handling various chemicals safely. You will appreciate the convenience of being able to wash it in the top rack of your dishwasher, as well as its autoclavable feature, which allows for easy sterilisation in lab environments. This flask is perfect for precise measurements in any laboratory setting.

The ULAB Conical Flask is designed for convenience and efficiency in various settings. Its translucent wall allows you to easily monitor the liquid level, ensuring you never overfill. The linerless leakproof screw closure keeps your contents secure and prevents spills, giving you peace of mind during use. You can tighten the threaded polypropylene screw cap for added security, while its durable design means you can rely on it for repeated use. This flask is perfect for storing chemicals, mixtures, or even kitchen seasonings.

The Eisco 5ml Volumetric Flask is crafted from high-quality Borosilicate 3.3 glass, ensuring durability and resistance to thermal shock. Its precise 5ml capacity and single white graduation mark allow for accurate measurements, making it ideal for laboratory use. With a Class B tolerance of ±0.05ml, it provides reliable results for your experiments. The flask is fitted with a chemical-resistant 10/19 polypropylene stopper, which seals your samples securely, preventing contamination and ensuring safety during handling.

The Eisco Volumetric Flask is crafted from hand-blown, Class A premium borosilicate 3.3 glass, ensuring durability and accuracy for your laboratory needs. The acid-proof polypropylene stopper is designed for socket size 10/19, providing a secure seal and preventing contamination. You will appreciate its convenience as it is safe for top rack dishwashers and can withstand autoclaving, making it easy to clean and sterilise. This flask is ideal for precise measurements and is built to last in demanding environments.

The Eisco Volumetric Flask features high-quality Borosilicate glass, making it durable and ideal for various laboratory tasks. With a 50ml capacity, it is perfect for precise measurements in both science and home laboratories. The included chemical resistant polypropylene stopper, with a socket size of 12/21, ensures a secure seal to prevent any leaks. As a Class A flask, it meets the DIN ISO 1042 Standard, giving you confidence in its accuracy and reliability for your experiments or projects.