United Scientific three-necked boiling flasks with ground glass 24/40 joints are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strengt hand shock resistance.
- 24/40 ground glass joints
- Made from heavy-duty ASTM E-438 Type 1, borosilicate 3.3 glass
- United Scientific borosilicate flasks have the following heat tolerances:Strain Point 515°C ; Annealing Point 565°C Softening Point 820°C
Properties of Glassware and Plasticware
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