Specific Weight | 1.5-1.99g/ cm3 |
Mohs Hardness | 9 |
Crystal form | α-Al2O3 |
Melting Point | 2250ºC |
Size | Al2O3 | Fe2O3 | MgO | CaO | Na2O | K2O |
0-1mm 1-3mm 3-5mm 5-8mm | ≥99.5 | ≤0.06 | ≤0.02 | ≤0.02 | ≤0.30 | ≤0.02 |
Al2O3 | Fe2O3 | SiO2 | FeO | MgO | CaO | TiO2 | Na2O | K2O | LOI |
>99% | 0.03-0.10% | ≤0.02% | / | ≤0.01% | ≤0.01% | / | ≤0.35% | ≤0.02% | < 0.09% |