fused alumina is made from high quality alumina powder by smelting at 2050 ℃, characterized by high purity

White fused alumina is made from high quality alumina powder by smelting at 2050 ℃, characterized by high purity

White fused alumina is made from high quality alumina powder by smelting at 2050 ℃, characterized by high purity

White fused alumina is made from high quality alumina powder by smelting at 2050 ℃, characterized by high purity