1.white powder 2.transparent activator in rubberfeed additives 3.sulfur absorber petroleum industries 4.cosmetics

Zinc Carbonate

1. Uses: transparent activator in rubber, feed additives; sulfur absorber in petroleum industries; cosmetics; pharmaceuticals; zinc Salts. 2. Properties:  Soluble in acids, alkaline and ammonium salt solutions; insoluble in water. Sp.gr.4.42-45; Nontoxic.3.Specification Item Criteria Molecular Formula ZnCO3·2Zn(OH)2.H20 Molecular weight 342.19 Zn, dry ≥ 57.0 Loss in ignition 25.0-30.0 Heavy metal(Calculate in Pb)≤ 0.05 Sulfate(SO4)≤ 0.8 Moisture content (H2O)≤ 3.5 Size(Pass 75 micron screen) ≥ 94

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zinc carbonate