... temperature resistance 3.ISO9001:2008 Graphite crucible for melting metal1. Thermal stability: According to the ... grinding, moulded forming, baking, impregnation with pressure, second baking, graphitization in high temperature, refinement etc.Isostatic ... grinding, isotropic forming, baking, impregnation with pressure, second baking, graphitization in high temperature, refinement etc. Isotropic ...