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100ml capacity, round bottom evaporating flask made of high quality, heavy duty Borosilicate 3.3 glass. Single, interchangeable joint with 24/29 size socket. No stopper included. Flask stands 4.25" tall, and is 2.5" in diameter at its widest point.
Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.