Do not bring in other oxides existing to pollute the molten steel
Longer storage life
Reduce the calcium oxide inclusions
Thicker outer steel shell
High-density pure calcium mandrel
| Ingredients | Ca(%) | Al | Mg | Mn | Si | Fe | Calcium Filament weitht g(g/m) | Strip thickness (mm) | wire Diameter (mm) |
| content | 97±1 | ≤0.7 | ≤0.7 | ≤0.5 | ≤0.5 | ≤0.5 | 50-68 | 0.5-0.7 | 9-9.5 |