Thermal Insulation Mullite Corundum Brick Refractory / Heat Resistant Bricks
Thermal Insulation Mullite Corundum Brick Refractory / Heat Resistant Bricks
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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