ITEM

STANDAR

Mg

≥ 99.9%

Fe

≤  0.04%

Si

≤  0.02%

Ni

≤ 0.001%

Cu

≤ 0.004%

Al

≤  0.02%

Mn

≤  0.03%

Cl

≤ 0.005%

others

≤  0.01%