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 strength and shock resistance.
- 24/40 ground glass joints
- Available in four capacities
- Made from heavy-duty ASTM E-438 Type 1, borosilicate 3.3 glass
- Strain Point 515°C ; Annealing Point 565°C ; Softening Point 820°C