Chemical properties
| Analysis % - EN 1774: 1999 | ||
| Aluminum | 3,8÷4,2 | |
| Copper | 0,7÷1,1 | |
| Magnesium | 0,035÷0,06 | |
| Impurities: | Lead | max 0,003 |
| Cadmium | max 0,003 | |
| Tin | max 0,001 | |
| Iron | max 0,02 | |
| Nickel | max 0,001 | |
| Silicon | max 0,02 | |
| Tot. Impurities: | Cd+Pb+Sn | max 0,060 |
| Zinc | Remainder | |