Nalgene® Volumetric Flasks, Polymethylpentene

Nalgene® plastic volumentric flasks provide the accuracy of standard glass flasks combined with the break resistance of plastic. These volumetric flasks are idividually calibrated gravimetrically "To Deliver & To Contain" 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. Integral oval marking spot makes it easy to mark and identify samples. These plastic volumetric flasks can be autoclaved but accuracy will be affected over time. Translucent. Autoclavable. Leakproof. Material: Polymethylpentene flask with polypropylene screw closure.