This cylinder has a round base for stability and spout for easy pouring. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C
Calibrated to contain. Borosilicate thick glass.
Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.