Yihui Casting selected high 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.

Yihui Casting selected quality ceramic 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.

Yihui Casting selected quality ceramic 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.

Yihui Casting selected quality ceramic 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.