VWR®, Volumetric Flasks, Class A, with Glass Stopper
Manufactured from 3.3 expansion, low extractable borosilicate glass with standard taper glass stopper.
- Calibrated to contain
- With pennyhead glass stopper
- Flasks feature a single graduation ring blasted on the neck and a marking spot
Sizes 5 ml and larger are designed from ASTM Specification E288, Class A requirements. Glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.