It is mainly used for lining of steel drums, molten pool parts and bottoms of large-scale tundish and refining packages outside the furnace, large converters and ultra-high-power electric furnace steel bags and bottoms.
Items | Index |
Al2O3(%) | ≥65 |
MgO (%) | ≥12 |
C (%) | ≥7 |
Apparent porosity (%) | ≤8 |
Bulk density (g/cm³) | ≥2.9 |
Cold crushing strength (MPa) | ≥50 |
Refractoriness under load (0.2Mpa) ℃ | ≥1650 |