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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  4320C-50

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Catalog No. 10-068-1A

  • / Case

Description & Specifications


Material Borosilicate Glass
Bottom Shape Round
Diameter (English) Outer 1.9 in.
Capacity (Metric) 50mL
Diameter (Metric) Outer 49mm
Height (English) 2.4 in.
Height (Metric) 6.1cm
Neck Style Short
Standard Taper Joint 24/40
Temperature (English) Operating 446°F
Thickness >25 to 30%
Temperature (Metric) Operating 230°C
Total Count 1.0

  • 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