... and low cost and the product finds good application1. Garphite crucible can withstand the high temperature, an has good resistance to ... chemical erosions and thermal shock.2. Graphite crucible is ideal for the melting of gold, silver, aluminum, copper and other metals ... ,dia.560x430,dia.585x600blocks:400x400x400,400x400x500,400x400x600,950x500x260mm. precious metal melting crucible