Magnesia alumina spinel brick
Magnesia alumina spinel brick is an ideal refractory material for cement self-transition zone. This brick is mainly used on the top of steel-making flat hearth furnace, electric arc furnace, high temperature tunnel kiln, large cement rotary kiln, non-ferrous metal smelting furnace, etc.
|
Item |
MgO(%)≥ |
Al2O3(%) |
SiO2≤ |
Bulk density(g/cm3) |
Apparent porosity(%)≤ |
Cold crushing strength( Mpa) |
Refractoriness under load(0.2MPa) |
|
MLZ-80 |
80 |
9-13 |
3.0 |
2.85 |
40 |
100 |
100 |
|
MLZ-82 |
82 |
9-13 |
2.0 |
2.9 |
50 |
100 |
100 |
|
MLZ-85 |
85 |
9-13 |
1.0 |
2.95 |
50 |
120 |
120 |
