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| Refractory Bricks-Mullite Bricks |
| Mullite Bricks |
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Technical Data
| Item | M72 |
| Al2O3 %≥ | 72 |
| SiO2 % | - |
| Fe2O3 % ≤ | 0.8 |
| Bulk density(g/cm3)≥ | 2.55 |
| Apparent porosity % ≤ | 17 |
| Cold crush strength Mpa ≥ | 80 |
| 0.2 Mpa refractoriness under load (℃)≥ | 1650 |
| Refractoriness(℃)≥ | 1790 |