Magnesite and spinel brick
Product parameter
Production process：With high quality and high purity magnesia and synthetic magnesia and aluminum spinel as the main raw materials, it is formed by high pressure molding and sintering at high temperature, and has excellent thermal shock stability, high temperature physical stability and corrosion resistance.
Main application：The middle and upper parts of the regenerator cell of glass kiln and the transition zone of large and medium cement rotary kiln have excellent performance.
| Brand/index | Chemical composition(%) | Apparent Porositt(%)≤ | Bulk density(g/cm³)≥ | Cold crushing strength (Mpa)≥ | 0.2Mpa load softening starting temperature(℃)≥ | Thermal shock stability 1100℃ Water cooling (secondary)≥ | |||
|---|---|---|---|---|---|---|---|---|---|
| MgO≥ | Al2O3≤ | SiO2≤ | Fe2O3≤ | ||||||
| MJ-75A | 75 | 13 | 0.6 | 0.8 | 17 | 2.95 | 45 | 1700 | 10 |
| MJ-75B | 75 | 13 | 1 | 0.8 | 17 | 2.95 | 45 | 1700 | 10 |
| MJ-80 | 80 | 9 | 1.5 | 0.8 | 16 | 2.95 | 45 | 1700 | 10 |
| MJ-85A | 85 | 9 | 0.6 | 0.7 | 17 | 2.95 | 45 | 1700 | 12 |
| MJ-85B | 82 | 9 | 2.5 | 0.8 | 16 | 2.95 | 40 | 1700 | 10 |
| MJ-93A | 88 | 5 | 0.6 | 0.7 | 16 | 2.95 | 45 | 1700 | 12 |
| MJ-93B | 85 | 5 | 2 | 0.8 | 17 | 2.95 | 40 | 1700 | 10 |
| MJ-95A | 93 | 3 | 0.6 | 0.7 | 16 | 2.95 | 45 | 1700 | 12 |
| MJ-95B | 90 | 3 | 2.5 | 0.8 | 17 | 2.95 | 40 | 1700 | 10 |
