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Brown Aluminium Oxide （AR-95） -
Brown Aluminium Oxide （AR-95）
It is fused in an electric-arc furnace by high temperature. Its main raw materials are bauxite anthracite. The micro hardness is 1800-2200kg/mm2.The toughness is higher than silicon carbide. The degree of refractory is more than 1850℃。
Brown Aluminium Oxide
Type: AR-95 Brown Aluminium Oxide 95% It is fused in an electric-arc furnace by high temperature. Its main raw materials are bauxite anthracite. The micro hardness is 1800-2200kg/mm2. The toughness is higher than silicon carbide. The degree of refractory is more than 1850℃ |
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Physical Properties
| Color | True Density | Mohs Hardness | Primary Crystalline Phase | Crystal Systel |
| Brown | 3.90 g/cm3 | 9.0 | Alfa-AL2O3 | Hexagonal |
Typical Specification(1-3mm)
| Chemical | Al2O3 | Fe2O3 | TiO2 | SiO2 |
| 95.63% | 0.09% | 2.68% | 1.00% | |
| Size | +3mm | -1mm | ||
| 2.5% | 3.7% | |||
| Magnetic Material | 0.0047% | |||
| Specific Density | 3.94g/cm3 | |||
Grain Size Available (F)
| 25-0mm | 20-10mm | 30-10mm | 0-1/1-3/3-5/5-8mm | -8/+16mesh |
| -16/+30mesh | -30/+60mesh | -100mesh | -200mesh | -325mesh |
