| Item | Unit | SK/PC001-2008 | SK/QC002-2008 | ||
| Superior Grade | First Grade | Superior Grade | First Grade | ||
| Bulk Density | g/cm3 | ≥1.60 | ≥1.58 | ≥1.70 | ≥1.67 |
| Specific Resistance | μΩ.m | ≤10 | ≤11 | ≤7 | ≤8 |
| Elastic Modulus | GPa | ≤9.3 | ≤13.7 | ≤14 | ≤12 |
| Compressive Strength | MPa | ≥22 | ≥20 | ≥25 | ≥22 |
| CTE | 10-6/℃ | ≥3.2 | ≥2.9 | ≥2.4 | ≥2.2 |
| Ash | % | ≤0.5 | ≤0.5 | ≤0.4 | ≤0.4 |