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| Refractory Bricks-Fireclay Bricks For Hot-Blas Stoves |
| Fireclay Bricks For Hot-Blas Stoves |
Technical Data
| Item | DRN-125 | DRN-120 | DRN-115 | DRN-110 | |
| Al2O3 %≥ | 45 | 42 | 40 | 36 | |
| Bulk density(g/cm3) | 2.15-2.35 | 2.0-2.20 | 2.0-2.20 | 2.0-2.20 | |
| Apparent porosity % ≤ | 22 | 22 | 22 | 22 | |
| Cold crush strength Mpa ≥ | 40 | 35 | 30 | 25 | |
| Creep rate(0.2Mpa×50h) % ≤ | 1250℃ | 1200℃ | 1150 | 1100 | |
| 0.8 | 0.8 | 0.8 | 0.8 | ||
| Linear change after reheating % | 1400℃×2h | -0.3~0.1 | - | - | - |
| 1350℃×2h | - | -0.3~0.1 | - | - | |
| 1300℃×2h | - | - | -0.4~0.1 | -0.4~0.1 | |