Graphite Gasket for use in Vacuum Casting for sealing of the flange and the casting chamber. This graphite gasket is suited for casting flask, gasket is 1/16" thick material will withstand temperatures of up to 1200°F - 649°C. Gasket are long lasting, can be used even when they wear down to almost paper thin. Graphite gaskets can be used in combination, along with silicone gaskets for optimum vacuum seal and heat protection. The graphite will prolong the life of the silicone gasket.