"WardsSci000479"

Our borosilicate flasks meet ASTM standards.

These Class B borosilicate volumetric flasks feature capacity tolerances twice those specified for Class A volumetric ware.

Buchner filtering flasks are made of high quality, heavy duty borosilicate glass.

ASTM Class A Volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, polypropylene snap cap, and blue or white enamel markings.

Class A volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, polypropylene stopper, and blue or white enamel markings.