| Items | Unit | Graphitized Cathode | ||
| Common Graphitized Cathode GS-C |
Impregnated + Graphitized Cathode IGS-C |
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| Ash | % | ≤0.5 | ≤0.5 | |
| Electrical Resistivity At Normal Temperature |
μΩm | ≤15 | ≤12 | |
| Sodium (Na Expansion) | % | ≤0.4 | ≤0.35 | |
| Real Density | g/cm3 | ≥2.18 | ≥2.18 | |
| Bulk Density | g/cm3 | ≥1.58 | ≥1.65 | |
| Compressive Strength | MPa | ≥18 | ≥24 | |
| Flexual Strength | MPa | ≥6 | ≥9 | |
| Thermal Conductivity | 30℃ | W/(m·K) | ≥60 | ≥120 |
| 600℃ | ≥40 | ≥50 | ||
| Linear Thermal Expansion | ×10-6/℃ （300℃） |
≤4.0 | ≤3.3 | |
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