Min. Order Reference FOB Price
1 Ton Negotiable
Product Description
Products Description Specification TEST ITEMS TEST STANDARD FOOD GRADE INDUSTRY GRADE ONE INDUSTRY GRADE TWO INDUSTRY GRADE ONE Na2S2O5 %≥ 96.5 96.0 94.0 92.5 FERROUS(Fe) %≤ 0.005 0.005 0.010 0.015 WATER INSOLUBLE %≤ _ 0.05 0.05 0.10 ARSENIC(As) %≤ 0.0001 ...