1.Appearance: Light yellow to white powder

2.Application

●Electroplating industry

Weak oxidizing agent in nickel plating bath to refine coating and improve brightness uniformity; nickel stripping agent for metal workpieces; rust remover for ship steel materials.

 ●Textile printing and dyeing

Color protection agent for reactive dye printing to prevent color fading caused by reducing substances during steaming; anti-staining agent for vat and sulfur dye discharge printing to keep white ground clean; ground color protective agent for discharge printing and defect repairing of printed fabrics; white background protector for yarn-dyed fabric scouring. 

●Chemical intermediate

Chemical intermediate for synthesis of vanillin, azo dyes and other fine chemicals. 

3.Packing

25kg per PVC bag 

4.Storage and expiration date

Storage: Store in a cool, dry and well-ventilated warehouse, keeping away from the ground to prevent moisture. Store materials with strong reducing agents, strong oxidizing agents, strong acids and strong bases separately.

Expiration date: 1 year if well sealed. It is recommended to use it up within half a year if it gets damp after opening.

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