"GSC International"

Our borosilicate flasks meet ASTM standards.

Our new high-quality borosilicate volumetric flasks meet ASTM standards and are a great value.

Flasks feature a permanent graduation line and large marking area, and necks are tooled to fit the included glass stoppers.

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

These volumetric flasks are made of borosilicate glass.

Amber glass volumetric flask with polypropylene stopper is useful for protecting light sensitive reagents.