"Avantor"

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

Our borosilicate flasks meet ASTM standards.

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

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