指標(biāo) | TGJ-85 | TGJ-80 | TGJ-78 | TGJ-76 | |
---|---|---|---|---|---|
SIC,% | ≥85 | 80 | 78 | 76 | |
體積密度,g/cm3 | ≥2.5 | 2.36 | 2.34 | 2.24 | |
耐壓強(qiáng)度,MPa | 110℃X24h | ≥45 | 22 | 36 | 6 |
1400℃X3h | ≥70 | 52 | 68 | 22 | |
抗折強(qiáng)度,MPa | 110℃X24h | ≥5.5 | 3.5 | 6.8 | 2.5 |
1400℃X3h | ≥11 | 6 | 28 | 3.5 | |
燒后線變化,% | 1400℃ | +0.12 | +0.3 | +0.13 | +0.2 |
導(dǎo)熱率,W/(m·K)-1 | 850℃ | ≥8.6 | 3.8 | 3.4 | 3.14 |