| Aluminium | 0.25-0.85& (+/-0.05%) | 0.25-0.85& (+/-0.05%) |
| Lead (Pb) | 0.0040% Max | 0.0030% Max |
| Copper (Cu) | 0.0010% Max | 0.0005% Max |
| Cadmium (Cd) | 0.0010% Max | 0.0005% Max |
| Iron (Fe) | 0.0040% Max | 0.0020% Max |
| Tin (Sn) | 0.0010% Max | 0.0005% Max |
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