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| Property | MQ-U100 | MQ-U300/U400 |
| Density | 1.92×103kg/m3 | 1.95×103kg/m3 |
| Compression Strength | >1.0×109Pa(N/㎡) | >1.0×109Pa(N/㎡) |
| Coefficient of Thermal Expansion | 5.4×10-7cm/cm℃ | 5.4×10-7cm/cm℃ |
| Thermal Conductivity | low | low |
| Specific Heat | 640J/kg℃ | 650J/kg℃ |
| Softening Point | 1580℃ | 1600℃ |
| Annealing Point | 1050℃ | 1100℃ |