... 100-650mm; height 50-850mmTungsten crucible applicationSapphire crystal growth furnace, rare earth melting containers, quartz glass melting, induction furnace heating units, it ... ; height 10-200mm>9.8g/cm3sinteringDiamete10-400mm; height 50-500mmApplicationRare earth melting industry containers, vacuum coating industry , metallurgy, etc