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PYREX™ Flasks with standard taper Polyethylene Stoppers

Sharp, clear graduation lines

Manufacturer: corning incorporated  5642-25

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Catalog No. 10-210-5A


Description & Specifications


Material Pyrex
Bottom Shape Flat
Capacity (Metric) 25mL
Diameter (Metric) Outer 40mm
Diameter (English) Outer 1.57 in.
Height (Metric) 12cm
Height (English) 4.76 in.
Neck Style Long
Stopper Material HDPE
Stopper Number 9
Tolerance ±0.03mL

  • Machine-blown bodies sealed to heavy-beaded, heavy-tubing necks High thermal and chemical resistance Calibrated “To Contain” within Class A Tolerances Necks are ground for standard taper stopper
  • Linear high-density, closed-bottom polyethylene stoppers
  • Stopper standard taper sizes: 8 (5mL); 9 (10, 25, 50mL); 13 (100, 200mL); 16 (250mL); 19 (500mL); 22 (1000mL); 27 (2000mL)