AL2O3 | ≥99.5% |
Moh's hardness | 9.0 |
Bulk density | 1.75-1.95g/cm³ |
Real density | 3.95g/cm³ |
Melting point | 2250℃ |
Maximum service temperature | 1900℃ |
Chemical composition
Al2O3>99% SiO2≤0.4%
Fe2O3≤0.2% Na2O≤0.4%
Physical index
Bulk density1.95g/cm³ Melting point2250℃
True density3.95g/cm³ Mohs’ hardness9.0
Volume density3.60g/cm³ Maximum use temperature1900℃