Product Description
Commodity name: Sodium Hydrosulfite Formula : Na2S2O4 Process: sodium formate process The quality of our Sodium Hydrosulfite is reached the HG2074-91 standard promulgated by Chemical Industry Ministry of P. R. China and Japan JISK 1476-92 standard.

Product Specification/Models
Appearance : White Free-Flowing Crystal Powder Purity : 74% , 85% , 88% , MIN Water Insoluble %: 0.1% MAX Fe: 0.003% max. Zn: 0.0001% max. Pb: NO

Application
reducing agent, sulfonating agent, cation source for textile, pulp and paper,leather, foods and beverages, polymers, photograghics, chemical processing, cleaners, water treatment, gas purification, and environmental improvement.