Corundum brick
Good high-temperature performance, high bulk density, high strength, wear resistance, and resistance to acid and alkali corrosion.
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Detailed introduction
Product Features
Good high-temperature performance, high bulk density, high strength, wear resistance, and resistance to acid and alkali corrosion.
Scope of application
Primarily used as thermal insulation lining for gasifiers, synthesis gas furnaces, carbon black reactors, and other equipment in the petrochemical industry, as well as inner linings for high-temperature furnaces such as ceramic refractory materials.
Product Parameters
| Project\Name | Unit | White corundum | Brown corundum | Yellow corundum | Composite corundum |
| Al₂O₃ | % | 90~99 | 80~90 | 80~90 | ≥85 |
| SiC | % | ≥10 | |||
| SiO₂ | % | 0.2–10 | 10 | 3 | |
| Fe₂O₃ | % | 0.15–0.5 | 0.5–1.0 | <1 | <1 |
| Apparent porosity | % | 19–23 | 17~22 | 18~23 | >18 |
| Refractoriness | Celsius | 1790 | 1790 | 1790 | 1790 |
| Room-temperature compressive strength | Mpa | 80~85 | 60-65 | 65-80 | ≥85 |
| Volumetric density | g/cm³ | 3.0–3.3 | 3.0–3.2 | >3.0 | ≥3.0 |
| Re-burning line variation | %(℃×h) | ±0.3 1600×3 |
±0.3 1550×3 |
±0.3 1550×3 |
±0.2 1600×3 |
Collaboration Case
Gongyi Jinma Furnace Materials Co., Ltd. is wholeheartedly committed to providing customers with high-quality services and sincerely cooperating with friends from all walks of life to create a bright future together.
Engineering Case
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