99% Al2O3 Fused Alumina Flour for refractory
99% Al2O3 Fused Alumina Flour for refractory High Hardness High Compression Strength Abrasion/ Wear-Resistance Chemical Inertness High Degree of Refractoriness High Melting Point Chemical and Physical Composition: MODEL: 100#-0 200#-0 320#-0 chemical ananlysis(%) physical properties Al2O3 ≥99.2 color white SiO2 ≤0.04 crystal form a-Al2O3 NaO2 ≤0.22 bulk density 1.75-1.95g/cm3 Fe2O3 ≤0.04 true density 3.95-3.97g/cm3 K2O