DESCRIPTION
Protect against leakage and breakage. Thermo Scientific™ Nalgene™ ASTM Class B Polymethylpentene (PMP) Volumetric Flasks with Screw Caps are calibrated “To Contain” and “To Deliver” at 20°C. Flasks are lighter in weight than glass, more transparent than polypropylene and offer excellent chemical resistance. Leakproof† protection when used with provided Nalgene closure.