- Permanently marked with an individual serial number, providing an easy way to track items used during analytical testing
- Carefully selected to meet the Class A requirements as specified in ASTM E 288 - Standard Specification for Volumetric Flasks
- Supplied with a Certificate of Graduation Accuracy
- Suitable for ISO 9000 quality programs
Calibrated "to contain" and supplied with a polyethylene snap cap and a marking spot. Graduation ring is blasted on the neck. 500 mL size is suitable for determination of specific gravity of fine aggregate (ASTM C 128).