TECHNICAL SPECIFICATION OF COPPER SLAG
Physical Parameters:
| Colour | Blackish Gray / Glassy |
| Grain Shape | Multifaceted |
| Harness | >5-7 Moh |
| Bulk Density | 1.8-2.2 Mt/m3 |
| pH | 6.5 |
| Conductivity at 25oC | Nil |
| Moisture content | <0.1 % |
Chemical Parameters:
| Cu | 0.6 - 0.9 % |
| Fe (Total) | 42 - 48% |
| S | 0.2 – 1.3 % |
| SiO2 | 26 - 30% |
| Free Silica | <0.5 % |
| Al2O3 | 2.0 - 4.0% |
| CaO | 1.0 – 2.0% |
| MgO | 0.8 – 1.5% |