Detailed Product Specifications
Sodium Hydrosulphite is a yellowish powder, used as a bleaching and reducing agent for textile materials, such as silk, wool, and nylon. It can be used to bleach foodstuff such as gelatin, sugar, honey, wine and vegetables, etc.
Specifications: Supergrade
Purity (Na2S2O4): 85% min- 88% min- 90%min
Water insoluble: 0.1% max- 0.1%max- 0.1%max
Na2S2O3 (Sodium thiosulfate): 0.8% max
Na2S2O5 (Sodium metabisulfate): 5 - 7%
NaHSO3 (Sodium bisulfite): 0.1% max
Na2CO3 (Sodium carbonate): 1 - 5%
HCOONa (Sodium fomate): 0.05% max
Zn: 0.001% max
Fe: 0.005% max
Description: Free-flowing white crystalline powder.
Applications: Textile dyeing pulp and kaolin bleaching food additive.
Odor: None or slightly smell of sulphur dioxide.
Inspection Details: SGS or any other agency as per your requirement.