Volumetric Flasks, Polypropylene

Nalgene 4000 Class B Polypropylene Volumetric Flasks with Screw Caps provide the accuracy of standard glass flasks combined with the break resistance of plastic. Gravimetrically calibrated individually TC/TD at 20°C. Printing is durable; won't wear off. Guaranteed to meet the Class B accuracy requirements of ASTM E288 and ISO Standard 384. No meniscus to confuse readings....