Low Creep Fireclay Brick
Product Description
| Items | Low creep fireclay brick | Low porosity fireclay brick | ||
| Chemical composition | Al2O3 % | 42-53 | ≥42 | |
| Fe2O3 % ≤ | 1.6 | 2.0 | ||
| CaO+MgO % ≤ | 0.7 | 0.7 | ||
| Na2O+K2O % ≤ | 0.8 | 0.8 | ||
| Bulk density g/cm3 ≥ | 2.2 | 2.2 | ||
| Apparent porosity %≤ | 19 | 17 | ||
| CCS Mpa ≥ | 40 | 40 | ||
| 0.2Mpa RUL T0.6 ºC≥ | 1450 | 1450 | ||
| Creep rate 1280ºC,25h, 0.2Mpa % ≤ | 0.4 | -- | ||
| MOR Mpa ≥ | 1200ºC | 10 | -- | |
| 1350ºC | 4 | -- | ||
| Thermal expansion % 20-1000ºC ≤ | 0.7 | 0.7 | ||