Désignation | Compositions chimiques % | |||||||||||
Mg ≥ | FE≤ | Si≤ | Ni≤ | Cu≤ | Al ≤ | Mn ≤ | TI ≤ | PB≤ | SN≤ | Zn≤ | Autre | |
Mg9999 | 99.99 | 0.002 | 0.002 | 0.0003 | 0.002 | 0.002 | 0.002 | 0.0005 | 0.001 | 0.002 | 0.003 | - |
Mg9998 | 99.98 | 0.002 | 0.003 | 0.0005 | 0.004 | 0.004 | 0.002 | 0.001 | 0.001 | 0.004 | 0.004 | - |
Mg9995 A. | 99.95 | 0.003 | 0.006 | 0.001 | 0.002 | 0.008 | 0.006 | - | 0.005 | 0.005 | 0.005 | 0.005 |
Mg9995 B. | 99.95 | 0.005 | 0.015 | 0.001 | 0.002 | 0.015 | 0.015 | - | 0.005 | 0.005 | 0.01 | 0.01 |
Mg9990 | 99.90 | 0.04 | 0.03 | 0.001 | 0.004 | 0.02 | 0.03 | - | - | - | - | 0.01 |
Mg9980 | 99.80 | 0.05 | 0.05 | 0.002 | 0.02 | 0.05 | 0.05 | - | - | - | - | 0.05 |
Elément CD,Hg,AS,Cr6+,le fournisseur ne fait pas d'analyse de routine, mais doit surveiller son contenu,nécessite ω(CD+Hg+AS+Cr)≤0.03%. |