Magnesia-zirconium brick
Product parameter
Production process：The product uses high purity fused magnesia and synthetic magnesia zirconium brick as the main raw materials, by high pressure molding, high temperature firing, no plugging and collapse phenomenon in use, alkali metal oxides and sulfides have strong corrosion resistance.
Main application：The middle and upper parts of the glass kiln regenerator cell are used.
| Index/brand | MZr-1 | MZr-2 |
|---|---|---|
| MgO(%)≥ | 76 | 76 |
| ZrO2(%)≥ | 12.5 | 12.5 |
| Apparent Porositt(%)≤ | 13 | 15 |
| Bulk density(g/cm³)≥ | 3.18 | 3.1 |
| Cold crushing strength(Mpa)≥ | 60 | 50 |
| 0.2Mpa load softening starting temperature(℃)≥ | 1700 | 1650 |
| Thermal shock stability (950℃ air cooling)≥ | 20 | 20 |
