Features: Adoption of High-quality synthesized fused magnesia as raw material and specially bined together, good performance of integration with non-sticky residue. Applied to tundish metallurgy, and other parts of the copper trench.
项目Item 指标Index | LXTJ-A | LXTJ-B | |
MgO(%) ≥ | 75 | 65 | |
Cr₂O₃ (%) | ≥ | 8 | 8 |
体积密度(g/cm³) ≥Bulk Density | 2.95 | 2.80 | |
110℃烘干耐压强度(MPa)≥Drying crushing strength | 50 | 45 | |
1300℃烧结耐压强度(MPa)≥Sintering high crushing strength | 55 | 50 | |
线变化率(%) 1300℃×3h Permanent linear change | ±0.1 | ±0.2 |