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1. Zinc oxide as a feed additive is low in cost. Compared with other zinc sources, the cost per unit of zinc is significantly lower, which helps reduce feed costs. The addition amount is equivalent to 44% of monohydrated zinc sulfate and 28% of heptahydrated zinc sulfate. 2. Zinc oxide is a dry, powdery zinc source, which is stable in feed, contains no water, does not agglomerate, and does not change its properties. It is easy for feed processing and long-term storage, and has little impact on vitamins in feed.

Pharmaceutical grade zinc oxide

Execution standard StandardBP98: Test item specifications Zinc oxide (DryZnO) 99.0-100.5 Lead (Pb) 0.005% max Cadmium (Cd) 0.001% max Arsenic (As) 0.0005% max Iron (Fe) 0.02% max Ignition loss (500℃) 1.0% max

Reagent grade zinc oxide

Execution standard HG/T2890-1997: Serial number Test item Name Specification 1 Content ≥99.0% 2 Clarity test Qualified 3 Insoluble matter in dilute sulfuric acid ≤0.01% 4 Free alkali Qualified 5 Chloride (Cl) ≤0.001% 6 Sulfur compound (calculated as SO4) ≤0.01% 7 Nitrate (NO3) ≤0.003% 8 Manganese (Mn) ≤0.0005% 9 Iron (Fe) ≤0.0005% 10 Arsenic (As) ≤0.00005% 11 Lead (Pb) ≤0.005% 12 Substance reducing potassium permanganate (calculated as O) ≤0.002% 13 Insoluble matter in ammonium sulfide

Zinc oxide for cosmetics

zinc oxide is used in the production of cosmetics, skin care products, and cosmetic additives.