
Cr2O3 (%) |
≥15 |
≥10 |
≥5 |
Al2O3 (%) |
≥72 |
≥82 |
≥87 |
ZrO2 (%) |
≥3 |
/ |
/ |
体积密度 (g/cm3) |
≥3.2 |
≥3.15 |
≥3.1 |
显气孔率 (%) |
≤18 |
≤18 |
≤18 |
常温耐压强度 ( MPa) |
≥80 |
≥85 |
≥90 |
荷重软化开始温度 ℃ (0.2MPa,0.6%) |
≥1700 |
≥1700 |
≥1700 |