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PYREX™ Class B Flasks with standard taper Stopper

Calibrated “To Contain” at 20°C (68°F)

Manufacturer: corning incorporated  C5641500

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Catalog No. 10-206G


Description & Specifications


Material Pyrex
Bottom Shape Flat
Calibration To contain
Capacity (Metric) 500mL
Diameter (Metric) Outer 100mm
Diameter (English) Outer 3.9 in.
Graduated Yes
Height (Metric) 28.7cm
Height (English) 11.29 in.
Neck Style Long
Stopper Number 19
Tolerance ±0.4mL

  • Meet tolerance requirements listed in Class B Volume Tolerances chart
  • Glass stopper
  • Stopper standard taper sizes: 9 (10, 25, 50mL); 13 (100, 200mL); 16 (250mL); 19 (500mL); 22 (1000mL); 27 (2000mL)