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牌 号 性 能 | TB-1 | TB-2 | TB-3 |
化学成分（%） | Al2O3 | 50 | 70 | 80 — |
SiC | 15 | 10 |
TIJIMIDU(g/cm3) ≥ | 110℃×24h | 2.25 | 2.55 | 2.75 |
永久线变化率（%） | 1400℃×3h | ±1.0 | ±1.0 | ±1.0 |
NAIYAQIANGDU（MPa） ≥ | 110℃×24h | 30 | 30 | 35 |
1400℃×3h | 35 | 40 | 50 |