White Fused Alumina

White Fused Alumina Standards: FEPA standards Grit No: F4-F320 Chemical Composition: Grit Size Al2O3 (%) Na2O(%) Fe2O3(%) SiO2 (%) F4-F150 ≥98.5 ≤0.60 ≤0.04 ≤0.05 F180-F320 ≥98.2 ≤0.70 ≤0.04 ≤0.05 Physical Property: Magnetic materials: F16-F24≤0.0023% F30-F120≤0.0021% F150-F240≤0.0015% Basic Minerals: Al2O3 Crystal size (μm): 600∼1400 True Density (g/cm3) ≥3.90 Bulk Density (g/cm3) 1.5∼1.95 Knoop Hardness(kg/mm2) 2200∼2300
White Fused Alumina