Features: Selection of high quality raw materials and high-quality high-grade synthetic binders,additives, use of high temperature, fluidity, Thermal shock stability, strong resistance to slag erosion, for RH, VOD, AOD, LF Refining furnace and other iron and steel, nonferrous metallurgical smelter.
| 项目Item 指标Index | 刚玉尖晶石浇注料Corundum-spinel castables | 刚玉浇注料Corundum castable | |
| Al₂O₃ (%) ≥ | 80 | 90 | |
| MgO(%) ≥ | 8 | / | |
| 体积密度(g/cm³) ≥Bulk Density | 2.9 | 2.9 | |
|
耐压强度(MPa)≥ |
110℃×24h | 30 | 60 |
| 1600℃×3h | 60 | 70 | |
|
抗折强度(MPa)≥ Modules of Rupture |
110℃×24h | 5 | 6 |
| 1500℃×3h | 7 | 10 | |
| 线变化率(1500℃,%)Permanent linear change | 0~+1.0 | ±0.5 | |
| 使用温度(℃)Working Temperature | 1700 | 1700 | |
