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High alumina castable
Item | High alumina | |
Chemical Composition % | Al2O3 ≥ | 75 |
CaO ≤ | 1.0 | |
Bulk density g/cm3 |
110°C,24h | 2.70 |
1350°C,3h | - | |
1500°C,3h | 2.65 | |
Reheating linear change % | 1350°C,3h | - |
1500°C,3h | ±0.5 | |
Bending Strength MPa |
110°C,24h | 7 |
1350°C,3h | - | |
1500°C,3h | 10 | |
Compressive strength MPa |
110°C,24h | 40 |
1350°C,3h | - | |
1500°C,3h | 85 | |
Service temperature °C ≥ | 1550 |