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PYREX™ Class B Flasks with standard taper Stopper

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

Manufacturer: corning incorporated  C5641200

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Catalog No. 10-206E


Description & Specifications


Material Pyrex
Bottom Shape Flat
Calibration To contain
Capacity (Metric) 200mL
Diameter (Metric) Outer 74mm
Diameter (English) Outer 2.9 in.
Graduated Yes
Height (Metric) 21.4cm
Height (English) 8.42 in.
Neck Style Long
Stopper Number 13
Tolerance ±0.2mL

  • 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)