... in acid and alkali, excellent sintering property. It used as high quality material for aluminous refractory, sintering coroundum and ceramics. Application: ... wear-resisting, corrosion-resisting products, such as high alumina refractory products, strong ceramics, high grade abrasive, electromagnetic equipments, etc. Note: ... TCH-71399.60.20.020.018 3.95954 high withness fine powder calcine alumina