Characters: Aluminum oxide, commonly known as corundum, is a high melting point, white powder, can be used as a refractory material. It is a typical gender oxides, soluble in strong acid and strong alkali. Its most stable crystal form is the α-Al2O3 and pure aluminum oxide is a colorless or white crystals, the sintering densification of Al2O3...

1.Introduction (1) The main composition is kaolinite, Content of about 90% or so, Particle size less than 22 m. (2) Kaolin easy to disperse in water or other liquids, have satiny feeling, earthy taste. The Density is 2.54-2.60 g/cm3,melting point about 1785°C. (3) Kaolin including calcined and no calcined. Calcined kaolin clay has...