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项目/Item | 测试环境Test Condition | 单位符号 Unit Symbol | 95% | 99% | 85% |
主要化学成分 The main chemical ingredient | Al2O3 | Al2O3 | Al2O3 | ||
体积密度 Bulk Density | g/cm3 | 3.6 | 3.89 | 3.4 | |
最大使用温度 Maximum Use Temperature | 1450°C | 1600°C | 1400°C | ||
吸水率 Water absorption | % | 0 | 0 | <0.2 | |
抗折强度 Flexural strength | 20° C | MPa (psi x 103) | 358 (52) | 550 | 300 |
热膨胀系数Coefficient of thermal expansion | 25-1000° C | 1X 10-6/°C | 7.6 | 7.9 | 7 |
导 电 系 数 Coefficient of thermal conductivity | 20° C | W/m °K | 16 | 30.0 | 18 |









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