Zhengzhou Qiangjin Science And Technology Trading Co., Ltd.  

Product Name: Feed Addtives Crystal Zinc Sulphate Heptahydrate 21%Min Model NO.: Zinc Sulphate Grade Standard: Agriculture Grade Appearance: Granular Type: Zinc Sulfate Purity: ?99% Certification: CCIC, CIQ, RoHS, ISO CAS No.: 231-793-3 Product Name: Zinc Sulfate Einecs No: 231-793-3 CAS No: 7446-20-0 Application: Feed and Fertilizer MW: 161 Density: 1.957 Certificate: Coa ,SGS Color: White From: Powder ,Crystal and Granular Package: 25kg/Bag,25mt/20FCL Trademark: Qiangjin Transport Package: 25kg/Bag Specification: 33% Origin: China HS Code: 2833293000 Product Description Zinc Sulphate/Sulfate (Zinc 35% and 21%) for Fertilizer/feed gradeProduct Description:FormulaZnSO4. 7H2OCAS No7446-20-0AppearanceWhite crystalline powder HS Code28332930EIENCS231-793-3HG2326-2005Mol Weight287.56OdourodourlessMelting PointMelting Point: It loses water at 30 degree C to give the hexahydrate and more water is lost at 70 degree C to form the monohydrate. Lose hexahydrate at 100 degree,The anhydrous salt forms at 280 degree CDensity1.957Specification:IndexSpecificationGB25579-2010FCC,1996contentw/% ZnSO4.H2OContentZnSO4.H2O99.099.0ZnSO4.7H2OZnSO4.7H2O99.099.0(As),mg/kg ≤As0.0003--alkali metal w/%≤Alkali metal0.500.5acidityPHpass testnormal(Se),mg/kg ≤Se0.0030.003(Hg),mg/kg ≤Hg0.00010.0005(Pb),mg/kg ≤Pb0.00040.001(Cd),mg/kg ≤Cd0.00020.0005Application:It is used as food additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent.Packing:It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.Storage and Transport:It should be stored in a dry and ventilative warehouse; kept away form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore,it should be stored separately from poisonous substances.