Sales Specifications:
Formual : Na2S2O5
Main Content 95.0%min
Assay ( Calculated as SO2): 65%min
Iron(Fe): 0.005%max
Heavy metals (as Pb): 0.002%max
Arsenic (As): 0.0002%max
pH Value 4.0-4.6
Water Insoluble Matter: 0.05%max
Packing:
25kgs, 50kgs per each woven bag with plastic lining.
Applications:
Mainly used for manufacturing sulfurous acid and bactericidal, Carrying out vegetable dehydrate, fruit preservation and bleaching.