Purchase Qty. Reference FOB Price
25-49 Tons US$290.00
50-99 Tons US$285.00
100+ Tons US$270.00
Product Description
Product Description Component Industrial Grade Food Grade High Purity Grade Appearance White or yellowish crystalline powder Assay(Na2S2O5 ) 96.5%min 97%min 98%min water insoluble matter 0.05%max 0.03%max 0.02%max Iron content(Fe) 0.005%max 0.003%max 0.002%max As content(As) ...