Main Physical Properties
| MOHS HARDNESS | 9 |
| BULK DENSITY | 1.55-1.90g/cm3 |
| SPECIFIC GRAVITY | 3.95g/cm3 |
| VOLUME DENSITY | >3.5g/cm3 |
| SMELTING POINT | 2250℃ |
| HIGHEST WORKING TEMPERATURE | 1900℃ |
Application
Super Refractories, Ceramics and Tiles Brake linings Refractory Brick Unshaped& shaped refractory materials
Super Refractories, Ceramics and Tiles Brake linings Refractory Brick Unshaped& shaped refractory materials
Used for refractory,castable
| Properties Type | SIZE: 0-1 1-3 3-5m/m | SIZES:100F 200F 325F | |||
| Guarantee Value | Typical Value | Guarantee Value | Typical Value | ||
| Chemical Composition | Al2O3 | ≥99 | 99.5 | ≥98.5 | 99 |
| SiO2 | ≤0.4 | 0.06 | ≤0.30 | 0.08 | |
| Fe2O3 | ≤0.2 | 0.04 | ≤0.20 | 0.1 | |
| Na2O | ≤0.4 | 0.3 | ≤0.40 | 0.35 | |





