High Alumina Refractory Brick , Corundum Mullite Refractory Bricks For Kiln
Alumina Refractory Block Corundum Mullite Brick Of High Temperature Kiln
Quick Detail
1. High refractoriness
2. Good corrosion resistance
3. Low thermal expansion
Application
The corundum mullite brick can be used in the inner liner of high-temperature kiln, the shed bar of kiln car, pusher plate of electronic magnetic material industry, etc.
Physical properties and chemical composition
|
Performance and application |
Corundum-mullite brick |
|
|
Al2O3 % |
80 |
≥86 |
|
Bulk density g/cm3 |
≥2.75 |
≥2.90 |
|
Cold Crushing Strength Mpa |
≥60 |
≥80 |
|
Refractoriness under load °C |
≥1700 |
≥1700 |
|
Liner Change on Reheating% |
±0.2(1600°C*2h) |
±0.2(1600°C*2h) |
|
Thermal shock stability (water-cooling)frequency 1100 °C |
≥20 |
≥20 |
|
Coefficient of thermal expansion *10-6/°C |
4.8-7.6 |
5.0-8.0 |
|
Max application temperature °C |
1700 |
|
|
Application |
Used for the inner liner of high-temperature kiln, the shed bar of kiln car, etc. |
Used for the inner liner of high-temperature kiln, pusher plate of electronic magnetic material industry. |
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