white fused alumina

White-fused alumina(Refractory material grade)character: 3-6mm Pharagraph Sand(Mid sodium) AL2O3> 99.2% SiO2 <0.06% Fe2O3 0.04%-0.05% Na2O <0.4% The main phase a-Al2O3 Hardness(Mohs) 9 Crystal six-square body Density(g/cm3)>3.85 Bulk density(g/cm3) 1.75-1.95 Color White Packaging: Automatic kraft paper packaging (25 kg / bag) 120 mesh powder (Mid sodium) Al2O3 99.2% SiO2 0.06% Fe2O3 0.05% Na2O 0.45 The main phase a-Al2O3 Hardness(Mohs) 9 Crystal six-square body Density>3.85g/cm3 Bulk density 1.64g/cm3 Color White Packaging: Automatic kraft paper packaging (25 kg / bag) White fused alumina to alpha-Al2O3-based crystal phase, using optimization alumina powder by the fixed or dumping furnace melting refining process ,high density, high purity,good grinding , and small heat, high efficiency, Acid and corrosion Resistance, high temperature Resistance,good thermal stability .Using it to make mold, it is applied to high carbon copper and high-speed steel. Used in refractory, chemicals and building materials industries, it can be used to manufacture alumina bricks,pushing boards, corundum and other aspects of castable. The main phase a-Al2O3 Hardness (Mohs) 9 Crystal six-square body Coefficient of thermal expansion(1/癈) 8.3?0-4 Density(g/cm3) >3.95 Particle size of the sand (mm) 8-5 5-3 3-1 1-0 Bulk density(g/cm3) 1.75-1.95 Powder(mesh) 80.120.240.320 Color White Micro powder(um) 3-5 5-10 Packaging Automatic kraft paper packaging (25 kg / bag)