Features: This product by fused corundum as main raw materials, the high-pressure forming, high temperature firing, have high thermal shock stability, low porosity dykes and low inflation, resistance to melt steam and gas erosion performance is good, oxidation resistance is fine, the size is exact.
| 项目Item | 指标Index |
| Al₂O₃ (%)≥ | 78 |
| SiC(%)≥ | 14 |
| Fe.O₄ (%)≤ | 1.0 |
| 显气孔率(%)≤Apparent Porosity | 3.0 |
| 体积密度(g/cm³)≥Bulk Density | 3.0 |
| 常温耐压强度(MPa)≥Cold Crushing Strength | 100 |
| 0.2MPa荷重软化开始温度(℃)≥Refractoriness Under Load | 1700 |
| 重烧线变化率(1500℃×2h,%)Refiring linear change | 0~+0.2 |
| 耐火度(℃)≥Refractoriness | 1790 |
