high alumina insulation brick
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high alumina insulation brick
1.comeptitive price
2.ISO certified
3.max service temprature up to 1350 Celsius
4.fire brick
high alumina insulation brick is a light weight insulating brick widly used as layers of all kinds furnaces, klins,excellent thermal insulation property.
property
| Items | HAI-0.6 | HAI-0.8 | HAI-1 |
| BD g/cm3 | 0.6 | 0.8 | 1 |
| cold crushing strength≥ | 1.96MPa | 2.94MPa | 4MPa |
| Linear Change on reheating≤2% | 1350°C | 1400°C | 1450°C |
| Thermal conductivity( 350±25°C)W/(m•k) | 0.25 | 0.32 | 0.45 |
| Refractoriness under load at 0.1MPa | ≥1300°C | ≥1350°C | ≥1380°C |
| Al2O3 % | ≥50% | ≥52% | ≥52% |
| Fe2O3 % | ≤1.8% | ≤1.6% | ≤1.5% |
| maximum service temperature | 1300°C | 1350°C | 1380°C |
