Brown corundum 1 Al2O3:95% Fe2O3:0.3% SiO2:1.2% TiO2:3% B.D:3.8G/CC 2 Al2O3:95% Fe2O3:0.3% SiO2:1.5% TiO2:3% B.D:3.8G/CC 3 Al2O3:98% Fe2O3:0.02% SiO2:0.8% TiO2:1.
Dense corundum Chemical(%) Apparent porosity(%) Vacuum densityg/cm3 Al2O3 ≥98.6% ≤4 ≥3.92 SiO2 ≤1.0 Fe2O3 ≤0.3 K2O+Na2O ≤0.3 C ≤0.1
Rotary kiln Bauxite rotary kiln bauxit no.1 Al2O3:83%above Fe2O3:1.8%below B.D:3.0G/CCabove withinK2O+NaO:0.4% withinTiO2:4% no.2 Al2O3:85%above Fe2O3:1.8%below B.D:3.15
Kaolin 1 Al2O3:45% Fe2O3:1.0% B.D:2.5G/CC 2 Al2O3:45% Fe2O3:0.8% B.D:2.45G/CC 3 Al2O3:45% Fe2O3:0.5% B.D:2.45G/C
Mullite Items Mullite M70 M60 M60 M45 Chemical,% Al2O3 68-73 56-60 58-62 42-46 SiO2 22-26 38-42 36-42 49-55 Fe2O3 ≤1.0 ≤0.5 ≤1.0 ≤1.0 K2O+NaO &l
White corundum 1 Al2O3:99.5% Fe2O3:0..05% Na2O≤0.3% SiO2≤0.1% B.D:3.9G/C
Shaft Kiln Bauxite 1 Al2O3:75% Fe2O3:2.0% B.D:2.70G/CC K2O+NaO:0.4% TiO2:6% 2 Al2O3:83% Fe2O3:2.0% B.D:2.80G/CC K2O+NaO:0.4% TiO2:6% 3 Al2O3:85% Fe2O3:2.0% B.D:2.85G/CC
High aluminium corundum Products Chemical Chemical % Al2O3 ≥98 SiO2 <0.5 Fe2O3 >0.1 TiO2 <1 MgO <0.015 CaO <0.4 K2O <0.03 Na2O <0.1 Apparent porosity