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High Alumina Refractory Brick
Application:
Applicable to the lining of boiler brick wall and the bottom of oil or gas furnace, as well as other high temperature parts
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- Introduction
- Application
Applicable to the lining of boiler brick wall and the bottom of oil or gas furnace, as well as other high temperature parts
| Index/Name | LZ-80 | LZ-75 | LZ-65 | LZ-55 | LZ-48 |
| Al2O3% | ≥80 | ≥75 | ≥65 | ≥55 | ≥48 |
|
0.2Mpa Load softening start temperature，°C |
≥1530 | ≥1520 | ≥1500 | ≥1450 | ≥1420 |
| Apparent porosity，% | ≤22 | ≤23 | ≤23 | ≤22 | ≤22 |
| Compressive Strength，Mpa（room temperature） | ≥55 | ≥50 | ≥45 | ≥40 | ≥35 |
|
Permanent change in heating （1500°C*2h），% |
0.1~-0.4 |
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Applicable to the lining of boiler brick wall and the bottom of oil or gas furnace, as well as other high temperature parts
