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PYREX™ Heavy-Wall Boiling Flasks, Round Bottom

Feature 25 to 30% greater wall thickness than standard flasks for mechanical strength

Manufacturer: corning incorporated  C4320C2L

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Catalog No. 10-068-1F


Description & Specifications


Material Borosilicate Glass
Bottom Shape Round
Diameter (English) Outer 6.3 in.
Capacity (Metric) 2000mL
Diameter (Metric) Outer 162mm
Height (English) 8.4 in.
Height (Metric) 21.5cm
Neck Style Short
Standard Taper Joint 24/40
Temperature (English) Operating 446°F
Thickness >25 to 30%
Temperature (Metric) Operating 230°C

  • Single-neck, heavy-duty boiling flasks with short necks and standard taper joints
  • Borosilicate glass
  • No increase in outside diameters
  • Fit standard heating mantles
  • One per case