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 Graphite crucible of the main raw material, natural graphite is a crystalline form. Therefore, it maintains the original natural graphite of various physical and chemical properties. 
 Ie: has good thermal conductivity, and temperature resistance, high temperature use, thermal expansion coefficient of emergency heat, quench with a certain anti-strain properties. Acid, strong alkaline solution of corrosion resistance, excellent chemical stability. 
 Crucible of the model specifications are more in the application from the scale of production, batch sizes and varieties of constraints melting material, can choose the applicability of the strong, and guarantee the purity of the material by melting. 
 Graphite crucible, with their excellent performance over, so in metallurgy, casting, mechanical, chemical and other industrial sectors, is widely used in smelting and alloy tool steel smelting of nonferrous metals and alloys. And has a good technical and economic effect.