Chemware D1069037 PTFE Griffin Beaker, 100mL Capacity Round, white, Griffin-style beaker for tough laboratory conditions and use with highly corrosive reagents, including hydrofluoric acid Polytetrafluoroethylene (PTFE) for resistance to chemicals, moisture, and high temperatures Choice of 1-, 5-, 10-, 30-, 50-, 100-, and 250-mL size Pour spout, non-wettable, unbreakable, and lightweight Heat-resistant, non-contaminating, molded bottom designed for rapid heat transfer, microwaveable, and can be used on a hotplate (up to 288 degrees C)