Features: Selection of high quality raw materials and high qulaity binders, additives, good fluidity, therma shock resistance and strong resistance to slag erosion.
| 项目Item 指标Index | 炉顶三角区浇注料Top Triangle castable | 炉顶预制件Precast roof | 出钢口填充料Taphole filer | 炉底干式捣打料Bottom dry ramming mix | |
| Al₂O₃ (%)≥ | 82 | 82 | / | / | |
| MgO (%) ≥ | / | / | 50 | 80 | |
| CaO (%) ≤ | 2.0 | 2.0 | / | 4-10 | |
| SiO, (%) | / | / | 35-40 | ≤2.0 | |
| Fe₂O₈ (%) | / | / | / | 4-10 | |
| Cr₂O₃ (%) | / | 2-5 | / | / | |
| Bulk Density | 110℃×24h | 2.9 | 2.9 | / | 2.3(堆积密度)
Packing density |
| 1600℃×3h | 2.9 | / | / | ||
| 耐压强度(MPa)≥ Cold crushing strength | 110℃×24h | 30 | 30 | / | / |
| 1600℃×3h | 40 | / | / | 80 | |
| 抗折强度(MPa)≥Modules of Rupture | 110℃×24h | 6.0 | 6.0 | / | / |
| 1600℃×3h | 8.0 | / | / | / | |
| Grain size mm | / | / | >6mm≤10 | / | |
| Permenent Linear Change 1300℃x3h | 0.2～0.6 | / | / | / | |
