1.Industry grade sodium metabisulphite
Purity(calculated with the amount of Na2S2O5 ) 95% |
Iron(Fe) 0.005% |
PH value:4.0-4.6 |
Water-fast matter 0.05% |
(SO 2 65%) |
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Uses: Mainly used for producing medicine iodoform, sola sulfone, vanillin Photogra0phical fixative, rubber solidifying agent, dechloride agent of bleached fiber, leather treatment of leathermaking industry, etc. Packing: 25kgs,50kgs per each woven bag with plastic lining or 1000kgs per each package 2.Feed grade sodium metabisulphite
Purity(calculated with the amount of Na2S2O5 ) 95% |
Iron(Fe) 0.0005% |
Water-fast matter 0.05% |
Arsenic (As) 0.0002% |
Heavy metal (Cal. in Pb) 0.002% |
PH value:4.0-4.6 | Uses: Mainly used for manufacturing sulfurous acid and bactericidal, Carrying out vegetable dehydrate, fruit preservation and bleaching. Packing: Net Weight 25kgs or 50kgs with plastic woven bag; or 1000kgs big bags.
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