Alumina ceramic belongs to the addition of special ceramics, our factory mainly produces aluminum oxide content is between 99.3% -99.7% of high purity alumina alumina ceramic plate its main composition is AL2O3 as raw material, finished product after sintering hardness can reach mohs hardness grade 9, because it's super abrasion resistance, impact resistance and strong corrosion resistance, high hardness, mechanical performance is remarkable,Has been widely used in cement, steel, thermal power, coal, smelting, chemical, port, mining and other industries in the easy to wear equipment, become to extend the life of mechanical equipment, protect equipment is not easy to be damaged, reduce the enterprise operating costs of the umbrella.