... : Ceramic, Refractory, Polishing 2. Package: 25kg/bag 3. Al2O3:99.5% 4. Good Liquidity,Granularity, Stablity High Temperature calcined Alumina It ... property.It is the basic raw material of high-grade ceramics and refractory products which are wear resistant ... rate,well fluidity,high sintering density and high strength under high temperature.It is expecially used for producing unformed refractory ...