... ,no pollution.Widely implicated in the areas of ceramic,electric power,petroleum,chemical industry and light industry, ... they are the liner and grinding medium for various ceramic material, α-Al2O3 powder, flake alumina, kaolin, ... fusible corundum,porcelain enamel,dye,ceramic glaze,dope,printing ink,special glass,various ball mill machines. Alumina Ceramic Plate for Hair Straighter