Min. Order Reference FOB Price
10 Tons US$290.00 / Ton
Product Description
Specification: Food grade Na2S2O5: 96.0% min Content(as SO2): 65%min Water-insoluble matter: 0.05%max Iron(Fe): 0.003%max pH: 4.0-4.6 Arsenic (As): 0.0002%max Lead (Pb): 0.002%max Shipment: 25MT/20'FCL.