Corundum crucible is widely used in the chemical industry. It can be used for the analysis of various laboratory metals and non-metallic samples and melting materials. It can also be used in shuttle kiln, pusher kiln for burning colorants, colorants, melts, pigments, luminescent materials, small experimental kiln, an experimental electric furnace for the formulation, etc. It can be used for the analysis of mineral raw materials such as rare earth, melting metals, precious metals, and optical glass. With firing, ceramic powder and other high-temperature products firing.