牌号 指标 |
刚玉质 | 莫来石质 | 高铝质 | |||
RS-SFC | RS-SMF1 | RS-SMF2 | RS-SMF3 | RS-SFA | ||
化学成分,% | Al2O3 | ≥80 | ≥55 | ≥60 | ≥65 | ≥65 |
CaO | ≤1.8 | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 | |
体积密度,g/cm³ | 110℃*24h | ≥2.8 | ≥2.4 | ≥2.4 | ≥2.5 | ≥2.5 |
1145℃*3h | ≥2.7 | ≥2.3 | ≥2.3 | ≥2.4 | ≥2.4 | |
抗折强度,MPa | 110℃*24h | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 |
1145℃*3h | ≥12 | ≥9 | ≥10 | ≥11 | ≥10 | |
抗压强度,MPa | 110℃*24h | ≥30 | ≥25 | ≥30 | ≥35 | ≥35 |
1145℃*3h | ≥70 | ≥50 | ≥55 | ≥60 | ≥60 | |
线变化率,% | 110℃*24h | ±0.1 | ±0.1 | ±0.1 | ±0.1 | ±0.1 |
1145℃*3h | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 |