Magnesina hercynite brick Magnesina hercynite brick
Production process: The product is made of sintered magnesia and magnesia spinel as raw materials, high pressure molding, drying and high temperature firing.
Product performance: strong resistance to penetration and erosion, good thermal shock stability, high load softening temperature.
Main use: It is used in medium and large dry process cement rotary kiln firing zone.
| Item | MFe-85A | MFe-85B | MFe-85C |
|---|---|---|---|
| MgO（%） | 85 | 85 | 85 |
| Al2O3（%） | 4-6 | 4-6 | 4-6 |
| SiO2（%）≤ | 1.5 | 1.8 | 2.0 |
| Fe2O3（%）≤ | 3-5 | 3-5 | 3-5 |
| Apparent porosity（%）≤ | 17 | 18 | 19 |
| B.D.（g/cm³）≥ | 2.95 | 2.93 | 2.9 |
| Withstand pressure at normal temperature（Mpa）≥ | 55 | 50 | 45 |
| Softening temperature under load（℃）≥ | 1600 | 1550 | 1500 |
| Thermal shock stability（time）≥ | 10 | 9 | 9 |
