Properties:
Table 1
| No: | Item | Unit | Half graphite | High Graphite | Graphite | |
| 1 | Ash | ≤ | % | 8 | 5 | 3 |
| 2 | Resistivity | ≤ | μΩ·m | 43 | 35 | 32 |
| 3 | Bulk Density | ≥ | g/cm3 | 1.54 | 1.52 | 1.52 |
| 4 | Electrolyzation Expansivity | ≤ | % | 1.0 | - | - |
| 5 | Real Density | ≥ | g/cm3 | 1.88 | 1.90 | 2.06 |
| 6 | Modulus of compression | ≥ | Mpa | 30 | 28 | 26 |
Remarks:
1.Half graphitic cathode carbon block product standard YS/T287-2005.
2. Half graphitic cathode side regulation carbon block product standard YS/287-2005.
3. Dimension and allowable tolerance should be in according with table 2.
Table 2 unit:mm
| Dimension | L | allowable tolerance |
| 200×200×L | ≤2400 |
According to relative industrial standard |
| 400×400×L 400×500×L |
≤2700 | |
| 400×600×L 500×500×L 500×600×L |
≤2400 | |
| 515×450×L | ≤3280 | |
| 500×660×L 500×600×L 550×600×L 600×600×L |
≤3390 |