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Product description of magnesia alumina spinel brick
Magnesia alumina spinel brick is a product made of high-purity magnesia and pre synthesized magnesia alumina spinel as main raw materials after reasonable grading, high-pressure molding and high temperature firing.
Features of magnesia aluminum spinel brick
Resistance to high temperature
Strong peeling ability
Good slag resistance
Good abrasion resistance
Good thermal shock stability
Good resistance to erosion and corrosion
Parameters of magnesia alumina spinel brick
| Iterms | KRSH-1 | KRSH-2 | KRSH-3 | KRSH-4 |
| МgО％, ≥ | 88 | 86 | 84 | 82 |
| Аl2О3％, ≥ | 6 | 9 | 9 | 8 |
| SiО2％, ≥ | 0,5 | 0,5 | 0,8 | 1,0 |
| Bulk density, g/cm3 | 2.9 | 2.9 | 2.85 | 2.8 |
| Open porosity,%, ≤ | 18 | 18 | 19 | 20 |
| Compressive strength, N/mm², ≥ | 60 | 60 | 50 | 45 |
| Softening onset temperature, ℃, ≥ | 1700 | 1700 | 1680 | 1650 |
| Thermal resistance, ≥, times | 10 | 10 | 10 | 10 |
| Thermal conductivity, 1000℃, W/m K | 2.9 | 2.9 | 2.8 | 2.7 |
Application of magnesia aluminum spinel brick
Magnesia alumina spinel brick is the ideal raw material for producing magnesia alumina spinel brick, ladle lining brick, ladle castable and other refractory products for high temperature zone of cement rotary kiln. Magnesia aluminum spinel is widely used in refractory materials, steel smelting, cement rotary kiln and glass industrial kiln.