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PYREX™ Serialized and Certified Flasks, Low Actinic

Calibrated “To Contain” within Class A tolerances

Manufacturer: corning incorporated  C55680250

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Catalog No. 11-850-28


Description & Specifications


Material Pyrex™ Glass
Bottom Shape Flat
Calibration To contain
Capacity (Metric) 250mL
Diameter (Metric) Outer 78mm
Diameter (English) Outer 3 in.
Graduated Yes
Height (Metric) 25.3cm
Height (English) 9.96 in.
Neck Style Long
Stopper Material Glass
Stopper Number 16
Tolerance ±0.12mL

  • Made from red low actinic stained glass to provide protection for materials sensitive to light
  • The protective color is an integral part of the flask, which retains its mechanical strength, chemical stability and thermal resistance
  • 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