Volumetric Flasks with Glass Stopper, Class A, 50mL - Pack of 6

These volumetric flasks are available unserialized or batch certified, and are calibrated at 20° Celsius.

• • Graduated ring for measurement
• • Durable white color printing
• • Glass stopper fabrication

Made from ASTM E438 Type 1 Class A Borosilicate 33 expansion glass as per ASTM specification E237 and E288.