Sodium metabisulfite (industrial)

[Sodium metabisulfite] (industrial grade)

[CAS No.]: 7681-57-4

[Molecular formula]: Na2S2O5

[Appearance]: White or slightly yellow crystalline powder.

[Quality Standard]: HG/T 2826-2008

[Main uses]: mordant for printing and dyeing; dechlorination agent for fabric after bleaching; reducing agent and sulfonating agent for chemical industry and medicine; bleaching agent for bamboo, wood and paper fiber; mineral processing agent for non-ferrous metals; wastewater treatment agent; rubber coagulant; fragrance Used as a hydrocarbon-based perfume aldehyde in the industry; used as a depilatory agent, softener and abrasion-resistant agent in the leather industry; used as a reducing agent for the developer and a protective agent for the fixing solution in the photosensitive industry.

[Packing]: 25, 50, 1000 kg/bag or according to customer requirements, external polypropylene woven bag, lined with polyethylene plastic bag, or paper-plastic composite bag, kraft paper bag, etc.