Calcined Bauxite SiO2: 10% max. Al2O3: 85% min. Fe2O3: 1% max. TiO2: 4% max. K2O+Na2O: 1.5% max. CaO+MgO: 1% max. True density: 3.55g/cm3 min. Granularity (>63μm): 1% max. Magnet aspirate: 0.01% max. Refractoriness: 1790°C min. Main crystal corundum + Mullite: 80% min. CIF Shanghai zhouxirenATcmec-henanDOTcom Show More