Min. Order Reference FOB Price
27 Tons US$350.00-370.00 / Ton
Product Description
Item Specs Main Content (as Na2S2O5) 97% Min. Sodium Metabisulfite (as SO2) 65% Min. Iron (Fe) 0.003% Max. Insoluble matter in water 0.05% Max. PH 4.0-4.6 Heavy metal (as Pb) 0.0005% Max. Arsenic (As) 0.0001% Max. Item Specs Main Content (as Na2S2O5) 96.5% Min. Sodium ...