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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  C4320C5L

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Catalog No. 10-068-1H

  • / Case

Description & Specifications


Material Borosilicate Glass
Bottom Shape Round
Diameter (English) Outer 8.7 in.
Capacity (Metric) 5000mL
Diameter (Metric) Outer 221mm
Height (English) 11.8 in.
Height (Metric) 30cm
Neck Style Short
Standard Taper Joint 45/50
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