• Protect against leakage, breakage, and contamination. Thermo Scientific Nalgene Class B Polymethylpentene (PMP) Volumetric Flasks with Screw Caps are calibrated To Contain and To Deliver at 20C
• Flasks are lighter in weight than glass, more transparent than polypropylene and offer excellent chemical resistance
• Break resistance and excellent chemical resistance for years of dependable use in the lab
• Individually hand calibrated, permanent color graduation line and oval marking spot for ease in reading fluid levels
• No meniscus to confuse readings
• Polypropylene closure
• Meets ASTM E288 and ISO 384 Class B tolerances for consistent quality and dependability
• Autoclavable

Product Specifications