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الشخص الذي يمكن الاتصال به Ms. Zhou
Daxuexijie, Hohhot, Nei Menggu
Molecular Formula: Na2S2O5 Uses: Mainly used as bleaching agent for processing leathers, fabric and organic matter, medium colouring agent for printing and dyeing; germicide and antiseptic for food preserving, brewing and beverage. Also used as auxiliary material for synthetic dyes, perfume and photographic fixing agent, etc. Property: White or crystal powder. Spec: Item Index Sodium Metabisulphite (as SO2) (%) *5% Min Iron Content (Fe) (%) 0.**5%Max Water-insoluble (%) 0.*5%Max pH value 4.0~4.6 Heavy Metal (as Pb) (%) 0.**1%Max As (%) 0.***2%Max Packing: *5Kg/(PE+PP)Bag, *5MT/*0’FCL
