Corundum Brick
Application:
Corundum brick is mainly used in iron – making blast furnaces and hot blast furnaces, steel – making furnace external refining furnaces, sliding water heaters, glass melting furnaces and petrochemical industrial furnaces.
High Working Temperature
Good Thermal Stability
High Cold Crushing Strength
Strong Resistance on Chemical Corrosion
Technical Data:
| Item | GYZ – 99 | GYZ – 90 | GYZ – 80 | |
|---|---|---|---|---|
| Al₂O₃, % | ≥ | 99 | 90 | 80 |
| SiO₂, % | ≤ | 0.2 | 8 | 18 |
| Fe₂O₃, % | ≤ | 0.2 | 0.2 | 0.3 |
| Bulk Density, g/cm³ | ≥ | 3.2 | 3 | 2.8 |
| Apparent Porosity, % | ≤ | 19 | 18 | 18 |
| Cold Crushing Strength, MPa | ≥ | 100 | 100 | 100 |
| 0.2MPa Refractoriness Underload, °C | ≥ | 1700 | 1700 | 1700 |
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