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Magnesia ferrum spinel brick and synthetic magnesia ferrum alumina spinel brick are made of high purified magnesia clinker and ferrum alumina spinel clinker at strictly controlled temperature and sintered atmosphere, which enables the product to have good flexibility and temperature vibration. The performances of attaching kiln wall and corrosion resistance are better good quality magnesia chrome brick.The product for lining of large dry cement rotary kilns.
Technical Data
| Item | Behaviors | ||
| Magnesia Ferrum Alumina Spinel Brick | |||
| TY-MFA80 | TY-MFA75 | ||
| Chemical Composition ％ | MgO ≥ | 83 | 82 |
| Al2O3 ≤ | 3-6 | 4-7 | |
| Fe2O3 | 5-8 | 5-8 | |
| Apparent Porosity ％ | 17 | 17 | |
| Cold Crushing Strength Mpa | 45 | 45 | |
| Refractoriness under load 0.2Mpa ℃ | 1700 | 1680 | |
| Bulk Density g/cm3 | 3.00 | 2.98 | |
| Thermal Shock Resistance (1100℃ water cooling, times) | 5 | 5 | |