70#square shape ceramic melting crucible
Selected quality quartz as materials, combined with advanced ceramic processing workmanship, mainly used for platinum, gold,and other high temp alloy melting, high purity, anti-corrosion,anti strong acid and strong alcali . The main component is SiO2≥99.99％, and other materials (K2O、Na2O、Fe2O3) less than 0.10％, good hardness, compress resistance ≥70MPa,high thermal shock resistance, There is no crack eve after hundred sudden heat and sudden cold.
70# square shape ceramic melting crucible
Size: max L*W*H=50*50*27.5mm