Magnesia-aluminum-chromium brick
Product parameter
Production process：With high quality magnesia and compound spinel sand as the main raw materials, it is formed by high pressure and sintered at high temperature.
Main application：The product has good high temperature strength, thermal shock stability and high load softening temperature, and has excellent performance at the top of the kiln.
| Index/brand | MLGe-80 | MLGe-75 | MLGe-55 |
|---|---|---|---|
| MgO(%)≥ | 80 | 75 | 55 |
| Cr2O3(%)≥ | 3 | 3 | 7 |
| Al2O3(%)≥ | 7 | 7 | 10 |
| Apparent Porositt(%)≤ | 18 | 18 | 18 |
| Cold crushing strength(Mpa)≥ | 40 | 40 | 40 |
| 0.2Mpa load softening starting temperature(℃)≥ | 1680 | 1650 | 1600 |
| Thermal shock stability 1100℃ Water cooling (secondary)≥ | 10 | 8 | 8 |
