ECA (Electrically Calcined Anthracite)
| Parameters | Basis / Typical |
|---|---|
| F.C. | 93% |
| Moisture | 1.0% Max |
| Ash | 6.50% Max |
| VM | 1.0% Max |
| Iron (Fe) | 0.50% Max |
| Resistivity | 600-650 ยต ohm m |
| Real Density | 1.80-1.90 gm/cc |
| Bulk Density | 0.90 min gm/cc |
| Size | |
| 6mm to 20mm | 75% min |
| Less than 6 mm | 25% max |
Carbon Electrode Paste (Soderberg Paste)
Green Properties
| Parameters | Unit | Specification |
|---|---|---|
| Ash | % | 5 Max |
| Apparent Density | Gms/cc | 1.58 Min |
| Fixed Carbon | % | 82 Min |
| Volatile Matter | % | 13 max |
| Plasticity (User Defined) | % | 20 - 40 |
| Fe | % | 0.25 max |
| S | % | 0.5 max |
| Ti | % | .030 max |
| P | % | .020 max |
Baked Properties
| Parameters | Unit | Specification |
|---|---|---|
| Baked Apparent density | Gms/cc | 1.4 min |
| Real Density | Gms/cc | 1.8 Min |
| Total Porosity | % | 24 Min |
| Electrical Resistively | Micro ohm mtr | 80 max |
| Cold crushing Strength | Kg/cm2 | 180 min |