Zinc powder is applied to remove cadmium, cobalt and other impurities in zinc smelting. Superfine zinc powder with higher quality is applied to paint and medicine.

Zinc sulfate heptahydrate, also known as zinc vitriol, goslarite; molecular formula: ZnSO4·7H2O; molecular weight: 287.54

Iron powder refers mainly to fine iron powder recycled from mineral separation or other methods. It is mainly used as auxiliary material of iron and steel industry.

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