Usage (1) aluminum industry. For the defense, aerospace, automotive, electrical, chemical, daily necessities and so on. (2) precision casting. Bauxite clinker processed into a fine powder made after casting molds. Used in military, aerospace, communications, instrumentation, mechanical and medical device sectors. (3) for refractory products. Bauxite refractoriness up 1780 ℃, chemical stability, good physical properties. (4) aluminosilicate refractory fibers. Light weight, high temperature, good thermal stability, low thermal conductivity, heat capacity of small and resistance to mechanical vibration and so on. For iron and steel, non-ferrous metallurgy, electronics, petroleum, chemical, aerospace, nuclear, defense and other industries. It is put into the high alumina clinker melt temperature of about 2000 ~ 2200 ℃ high temperature electric arc furnaces, high temperature melting, high velocity air or steam injection pressure, cooling, became white "cotton" - silicate refractory fiber. It can be pressed into a fiber blanket, sheet or woven into cloth instead of refining, chemicals, glass and other industrial high temperature furnace lining refractory bricks. Firefighters made available refractory fiber cloth clothes. (5) magnesia clinker and bauxite as raw material, adding the appropriate binder for the whole bucket pouring ladle lining very good results.