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Description
| Property | Unit | Numenal value |
| Purity | % | ≥92 |
| Density | g/cm² | ≥3.0-3.05 |
| Apparent Porosity | % | <0.3 |
| Anti-bending Strength | MPa | >350 |
| Anti-Compression strength | MPa | 275-280 |
| Hardness | HS | 105 |
| Elastic Modulus | GPa | >410 |
| Heat Guide Rate | w/cm.k | 4.2 |
| Coefficient of heat expansion | x10⁻⁶/℃ | 4-4.5 |
| Heat Resistance(inthe atmosphere) | ℃ | 1300 |
| Thermal impact coefficient | cal/cm,sec | 47 |
| Acid resistance | 3-5times higher than the usual WC | |
| poisson ratio | 0.15 |
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