Product Description

Sales Specifications: Formual : Na2S2O5 Main Content *5.0%min Assay ( Calculated as SO2): *5%min Iron(Fe): 0.**5%max Heavy metals (as Pb): 0.**2%max Arsenic (As): 0.***2%max pH Value 4.**4.6 Water Insoluble Matter: 0.*5%max Packing: *5kgs, *0kgs per each woven bag with plastic lining. Applications: Mainly used for manufacturing sulfurous acid and bactericidal, Carrying out vegetable dehydrate, fruit preservation and bleaching.