| 指标 | TGJ-85 | TGJ-80 | TGJ-78 | TGJ-76 | |
|---|---|---|---|---|---|
| SIC,% | ≥85 | 80 | 78 | 76 | |
| 体积密度,g/cm3 | ≥2.5 | 2.36 | 2.34 | 2.24 | |
| 耐压强度,MPa | 110℃X24h | ≥45 | 22 | 36 | 6 |
| 1400℃X3h | ≥70 | 52 | 68 | 22 | |
| 抗折强度,MPa | 110℃X24h | ≥5.5 | 3.5 | 6.8 | 2.5 |
| 1400℃X3h | ≥11 | 6 | 28 | 3.5 | |
| 烧后线变化,% | 1400℃ | +0.12 | +0.3 | +0.13 | +0.2 |
| 导热率,W/(m·K)-1 | 850℃ | ≥8.6 | 3.8 | 3.4 | 3.14 |