Won’t leak upon inverting
- Individually hand calibrated volumetric flask
- Permanent color graduation line and oval marking spot for ease in reading fluid levels
- No meniscus to confuse readings
Lighter in weight than glass, Thermo Scientific™ Nalgene™ Class B polypropylene (PP) volumetric flasks with closure offer excellent chemical resistance and are calibrated “To Contain” and “To Deliver” at 20°C (68°F). These volumetric flasks meet ASTM Standard E288 and ISO Standard 384 for consistent quality and dependability.
Flasks have polypropylene screw closures and are leakproof.