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PYREX™ Flasks Serialized and Certified with standard taper Barrelhead Stopper

Calibrated to Class A tolerances in accordance with ASTM™ E-542 and E-288

Manufacturer: corning incorporated  C568050

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Catalog No. 10-211B


Description & Specifications


Material Pyrex
Bottom Shape Flat
Calibration To contain
Capacity (Metric) 50mL
Certifications/Compliance NIST, ASTM E542, ASTM E288
Diameter (Metric) Outer 51mm
Diameter (English) Outer 2 in.
Graduated Yes
Height (Metric) 15.2cm
Height (English) 5.98 in.
Neck Style Long
Stopper Material Glass
Stopper Number 9
Tolerance ±0.12mL


  • The graduation line is sharp and permanent and large white block letters make the inscription easy to read

PYREX Serialized/Certified Volumetric Glassware is now tested and calibrated in an ISO/IEC 17025 certified laboratory