Fired magnesia brick
Product parameter
Production process：With high quality sintered or fused magnesia as the main raw material, by high pressure molding, high temperature sintering, high temperature strength, corrosion resistance and wear resistance, with good thermal shock stability.
Main application：It is suitable for the lining of converter and electric furnace, the working lining of ferroalloy electric furnace and the middle and upper lattice body of glass kiln regenerator.
| 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≥ | SiO2≤ | CaO≤ | ||||||
| MZ-87 | 87 | - | 3.0 | 20 | 2.90 | 50 | 1540 | |
| MZ-89 | 89 | - | 3.0 | 20 | 2.90 | 50 | 1550 | |
| MZ-91 | 91 | - | 3.0 | 18 | 2.90 | 50 | 1550 | |
| MZ-93 | 93 | 3.0 | 2.0 | 18 | 2.95 | 50 | 1600 | |
| MZ-95 | 95 | 2.0 | 2.0 | 18 | 3.00 | 50 | 1650 | 4 |
| MZ-96A | 96 | 0.8 | 2 | 17 | 3 | 60 | 1700 | 5 |
| MZ-96B | 96 | 1 | 2 | 18 | 3 | 50 | 1700 | 4 |
| MZ-97A | 97 | 0.6 | 1.3 | 17 | 3 | 60 | 1700 | 5 |
| MZ-97B | 97 | 0.8 | 1 | 18 | 3 | 60 | 1700 | 5 |
| MZ-98A | 98 | 0.5 | 1.2 | 17 | 3 | 60 | 1700 | 5 |
| MZ-98B | 97 | 0.8 | 0.6 | 18 | 3 | 60 | 1700 | 5 |
