| Item 项目 | Refractory castable 耐火浇注料 | ||||
| HJ60 | HJ65 | HJ70 | HJ60S | ||
| Al2O3 (%) | ≥ | 60 | 65 | 70 | 60 |
| SiC (%) | ≥ | - | - | - | 10 |
| Bulk density 体积密度 (g/cm3) | ≥ | 2.4 | 2.6 | 2.7 | 2.6 |
| Modilus of rupture 常温抗折强度 (MPa) | 110℃*24h | 4 | 5 | 5 | 4 |
| 1400℃*3h | 6 (1350℃*3h) | 8 | 8 | 6 | |
| Cold crushing strength 常温耐压强度 (MPa) | 110℃*24h | 30 | 30 | 30 | 25 |
| 1400℃*3h | 50 (1350℃*3h) | 50 | 60 | 50 | |
| Reheating Linear Change rate 重烧线变化率 (%) | 1400℃*3h | ±0.5 (1350℃*3h) | ±0.5 | ±0.5 | ±0.5 |
| Application 应用 | 炉顶 | 炉底、炉壁 | 渣线、铁嘴 | ||
| Top | Side wall, bottom | Slag line, Decharge mouth | |||