Pyrex? Volumetric Flask, Class A, USP/ISO/DIN tolerances, 20 mL

Pyrex? Volumetric Flask, Class A, USP/ISO/DIN tolerances, 20 mL
Complies with ISO 1042 and DIN 12664
Manufactured from borosilicate glass 3.3
Calibrated to the tolerance required by the United States Pharmacopoeia (USP) which is tighter than those of ISO/DIN standards
Each flask is laser etched with an individual serial number batch code and date of manufacture
Certificate available to download online by entering the unique batch code, which can be found on the base of each flask
UKAS certified volumetric flasks are available on request.
With Polyethylene stopper
Inscriptions in white enamel
20mL and 5000mL sizes are supplementary to DIN range.