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Product Description
Magnesia Alumina spinel brick
The brick is made from high purity magnesia sand and fused magnesia as raw materials and added with fused spinel, by highly pressed and fired at high temperature. The brick has features as follow: 1.excellent toughness at high temperature, the spalling damage is not easy to happen during drying kiln and using. 2. Excellent coat formed in burning zone, and normal coat damage does not spall. 3. Excellent strength and thermal shock resistance. 4. excellent anti-erosion and wear resistance performance . The product applies in burning zone.
Items |
ZJMAJ-1 |
ZJMAJ-2 |
MgO % ≥ | 86 | 86 |
Al2O3 ≥ | 10-12 | 5-8 |
Apparent porosity % ≤ | 15 | 15 |
Bulk density g/cm3 ≥ | 2.98 | 2.98 |
Cold crushing strength Mpa ≥ | 80 | 80 |
0.2Mpa R.U.L ℃ T0.6 ≥ | 1700 | 1700 |
Thermal shock resistance 1100℃water cooling cycle ≥ | 10 | 12 |
Application area | Transition zone | All the high temperature zone |