basic zinc carbonate

basic zinc carbonate basic zinc carbonate for the white slight powder, the chemical constituent becomes the basic zinc carbonate. Does not dissolve in Shui Huochun, dissolves in the acid or the alkali, dissolves in the acid when emits the carbon dioxide. Uses in the rubber products (emulsion, transparent rubber), the medicine, the cosmetics as well as the animal fodder trace element chemical additive and so on, uses in the chemical fertilizer production the catalyst, sweetening agent raw material, has a better percentage of desulfurization.]ProjectMedicine raw material special-purposeFeed additive special-purposeSweetening agent special-purposeRubber special-purposePaint special-purposeIndustry levelNKS301NKS302NKS303NKS304NKS305NKS306The main content (does base idea) (by the Zn idea) ≥57-5857-5857-5855-5755-5755-56Burns the loss on ignition ≤25.0-28.025.0-28.025.0-28.025.0-32.025.0-32.028.0-35.0Heavy metal (by the Pb idea) content ≤0.001-0.010.001-0.010.05-0.10.1-0.20.1-0.20.2-0.4Moisture content ≤1.0-2.01.0-2.02.0-4.02.0-4.02.0-4.03.0-5.0Sulfate (by the SO4 idea) content ≤0.05-0.600.05-0.600.60-1.000.60-1.000.60-1.00-Screen tailings (wet sieving 100um) ≤1-31-33-53-53-55-8Cadmium (Cd) content ≤0.0010.001----Packing: This product uses the double-decked packing, in with the polyethylene plastic thin film bag, outside models arranges the bag, weight 25kg. storage and transport: Should have the cover in the transportation process, prevents the rain to drench is affected with damp, and solarization heating.