1000 ml capacity short form beaker, with white graduations, made of high quality, heavy duty Borosilicate 3.3 glass. Sub Div: 5.0ml. Autoclavable at 121°C. Low temperature gradient means the beaker can withstand high temperatures and thermal shocks. 5 mm thick, uniform walls provide excellent strength against breakage. Beaker measures 5.9 tall and 4.9 wide. Inner diameter of beaker measures 4.6. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.Calibrated to contain.Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.