Merck, SLW3151/18WC-2EA, Pyrex®Volumetric flask, heavy duty, class A, works certified, USP/ISO/DIN tolerances

General description
Class A, works certified
Complies with ISO 1042 and DIN 12664
Calibrated to the tolerances required by the United States Pharmacopoeia (USP) which are tighter than those of ISO/DIN standards
Each flask engraved with individual serial number and supplied with certificate of calibration traceable to National standards
Conformity ‘H′ certified
Manufactured from borosilicate glass for corrosion-free performance
White enamel inscriptions
Polyethylene stopper

Features and Benefits
Complies with ISO 1042 and DIN 12664
Manufactured from borosilicate glass 3.3
Calibrated to the tolerances required by the United States Pharmacopoeia (USP) which are tighter than those of ISO/DIN standards
Each flask engraved with individual serial number and supplied with certificate of calibration traceable to National standards
White enamel inscriptions
With Polyethylene stopper
20mL and 5000mL sizes are supplementary to DIN range.

Legal Information
PYREX is a registered trademark of Corning, Inc.