Eisco Glass Volumetric Flasks with Plastic Stopper, ASTM Class A
ASTM Class A volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, polypropylene stopper, and blue enamel markings.
- Made of high quality, heavy duty, borosilicate 3.3 glass for excellent durability and chemical resistance
- Class A tolerances conform with ASTM E288 standards for accuracy
- Fitted with a polypropylene flat-top stopper
- Easy-to-read blue enamel graduations and specifications for contrast against clear liquids
Calibrated to contain.
Eisco Labs borosilicate glass has the following heat tolerances:
- Strain Point 515 °C
- Annealing Point 565 °C
- Softening Point 820 °C