ITEMS STANDARDS
1.CONTENT(Co): 46.5% MIN.
2.FE : 0.05% MAX.
3.CU: 0.02% MAX.
4.NI: 0.3% MAX.
5.ZN: 0.05% MAX.
6.NA : 0.5% MAX.
7.PB: 0.06%MAX
8.APPEARANCE: PINK POWDER
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