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| Material | alumina |
The Al2O3 content of this refractory brick is about 40-80%. It is made of high alumina bauxite and other materials.
The main mineral components are mullite and corundum phases.
Produced by drying pressing and high-temperature firing.
Application:
Kinds of high temperature industry furnace. Glass furnace, hot blast stove,cement rotary kiln,etc.
►Feature:
1.High strength
2. High-temperature resistance
3. Good thermal shock resistance
4. Good abrasion and corrosion resistance
5. High refractoriness under load
| Index | High Alumina Brick | |||
| SK37 | SK38 | SK40 | ||
| Chemical Composition % | Al2O3 | 65 | 75 | 80 |
| Fe2O3 | <2.0 | <1.8 | <1.8 | |
| Bulk Density g/cm3 | 2.4 | 2.5 | 2.7 | |
| Apparent Porositiy % | 24 | 22 | 20 | |
|
Permanent Linear Change % @1500℃*2hr |
±0.5 | ±0.3 | -0.2 | |
| Cold Crushing Strength MPa | 50 | 55 | 60 | |
| Refractoriness under Loading ℃ | 1500 | 1550 | 1550 | |
No.206, Tairan Techonology Park, Shatou Street, Futian District, Shenzhen, Guangdong, China
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