| 指标 | 环保型复合砖 | 柔性复合砖 | |||
| HT-1 | HT-2 | HT-3 | HT-4 | HT-5 | |
| SiO2%≤ | 0.9 | 1.2 | 1.3 | 1.2 | 1.3 |
| Al2O3% | 7.0-9.0 | 7.0-10.0 | - | 3.0-4.0 | 4.0-5.0 |
| FeO2% | - | - | 6.0-9.0 | 6.0-9.0 | 4.0-5.0 |
| MgO%≥ | 82 | 81 | 83 | 82 | 82 |
| Cr2O3% | 3.0-4.5 | 3.0-4.5 | 2.0-3.0 | - | - |
| 气孔率%≤ | 18 | 18 | 18 | 17 | 17 |
| 密度g/cm3≥ | 3.00 | 2.98 | 2.98 | 2.98 | 2.98 |
| 常温耐压强度Mpa≥ | 60 | 60 | 70 | 65 | 70 |
| 荷重软化温度℃≥ | 1700 | 1690 | 1690 | 1680 | 1680 |
| 热震稳定性1100℃，水冷≥ | 11 | 10 | 9 | 9 | 11 |
| 导热系数1200℃W/m.k≤ | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |
| 抗折强度1400℃×0.5hMPa≥ | 4.0 | 4.0 | 4.0 | 3.0 | 3.0 |
