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連絡先担当者 Mr. huahai
Ri Hua Building -2ND Stage,Xiamen Torch High Technology Area,, Xiamen, Fujian
Molecular formula: Na2S2O4 Appearance: White free-flow crystal powders Specification: Na2S2O4: *5%/*8%/*0%min, Fe: *0ppm max, Zn: 1ppm max, Water insoluble: 0.*5% max Application: Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile bleaching. It is also used in bleaching paper pulps, especially mechanical pulps.