项目 | 特种高铝砖 | 抗剥落高铝砖 | 高铝砖 | |||
RT-TLZ-75 | RT-YRS-70 | RT-YRS-76 | RT-LZ-75 | RT-LZ-65 | RT-LZ-55 | |
Al2O3(%)≥ | 75 | 70 | 76 | 75 | 65 | 55 |
SiO2(%)≥ | 20 | 25 | 20 | 18 | 30 | 35 |
显气孔率(%)≤ | 23 | 25 | 25 | 23 | 23 | 22 |
常温耐压强度(MPa)≥ | 60 | 60 | 55 | 55 | 50 | 45 |
荷重软化温度T0.6℃≥ | 1450 | 1470 | 1500 | 1500 | 1470 | 1450 |
热震稳定性(1100℃,水冷)次 ≥ | 10 | 15 | 15 | - | - | - |
耐火度(℃)≥ | 1790 | 1790 | 1790 | 1790 | 1790 | 1770 |