Corundum Brick
Corundum Brick is manufactured from high-purity alumina raw materials with an Al₂O₃ content of ≥ 90%. Its principal crystalline phase is α-corundum (α-Al₂O₃).
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Elevated temperature creep
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Erosion influence
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Thermal shock resistance
Product Introduction
Corundum Brick is manufactured from high-purity alumina raw materials with an Al₂O₃ content of ≥ 90%. Its principal crystalline phase is α-corundum (α-Al₂O₃).The product offers excellent high-temperature resistance, high hot strength, outstanding wear and abrasion resistance, and superior resistance to erosion. It also exhibits excellent chemical stability and performs well under acidic, alkaline, oxidizing, and reducing atmospheres.
Product Specifications
| Index | HWGYZ-99 | HWGYZ-98 | HWGYZ-95 |
| Al2O3（%） ≥ | 99 | 98 | 95 |
| Apparent Porosity（%） ≤ | 19 | 19 | 20 |
| Bulk Density（g/cm3） ≥ | 3.15 | 3.15 | 3.1 |
| Cold Compressive Strength（MPa） ≥ | 80 | 80 | 100 |
| Permanent Linear Change（1600℃ ×3h）(%) | ±0.2 | ±0.2 | ±0.3 |
| 0.2MPa Refractoriness Under Load（T0.6 ℃) ≥ | 1700 | 1700 | 1700 |
- Grade:
- HWGYZ-99
- HWGYZ-98
- HWGYZ-95
