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Fused Re-sintered Corundum Mullite Brick
Core Advantages
Advanced Fused Re-sintering Craft
Adopts state-of-the-art production technology, forming a dense and uniform internal structure that enhances product stability and durability, far exceeding ordinary corundum mullite bricks in service life.
Excellent Thermal Shock Resistance
Low thermal expansion coefficient, can withstand frequent rapid temperature changes (1100℃ water quenching ≥20 times) without cracking or spalling, adapting to complex working conditions of industrial furnaces.
High Strength & Dense Structure
Room temperature compressive strength ≥130MPa, apparent porosity ≤18%, ensuring good impermeability and load-bearing capacity, preventing molten media penetration and structural deformation.
Superior Erosion & Wear Resistance
Rich in high-purity Al₂O₃ and mullite phase, effectively resisting corrosion from molten slag, high-temperature gas and abrasion, maintaining stable performance in harsh working environments.
Wide Temperature Adaptability
Stable performance at 1750℃ for long-term use, suitable for high-temperature zones of various industrial furnaces, with strong compatibility for oxidizing, reducing and neutral atmospheres.
Product Parameters
| Item | Fused and Re-sintered Corundum Mullite Brick | |
| Al₂O₃ % | ≥80 | ≥85 |
| SiO₂ % | ≤19 | ≤14 |
| Fe₂O₃ % | ≤0.3 | ≤0.3 |
| g/cm³ Bulk Density |
≥2.70 | ≥2.85 |
| % Apparent Porosity |
≤18 | ≤18 |
| MPa Cold Crushing Strength |
≥100 | ≥100 |
| ℃（0.2MPa,0.6%） Refractoriness Under Load |
≥1700 | ≥1700 |
Detailed Application Scenarios
Our fused re-sintered corundum mullite bricks are widely used in high-temperature industrial furnaces and kilns, providing reliable and durable lining solutions for the following industries:
1. Metallurgical Industry
◎ Hot blast furnace regenerator, electric arc furnace side wall, ladle upper lining, and other high-temperature load-bearing parts.
2. Glass Industry
◎ Glass melting furnace regenerator checker brick, throat, side wall upper part, and other corrosion-prone high-temperature zones.
3. Chemical Industry
◎ Chemical reactor lining, sulfuric acid plant conversion furnace, phosphate fertilizer furnace, and other high-corrosion high-temperature equipment.
4. Building Materials Industry
◎ Ceramic roller kiln high-temperature zone, brick kiln lining, and refractory lining of cement kiln preheater.
Conclusion
Contact us now for a quote and experience the difference of working with the best in the business.