What is the purpose of Sodium hydrosulphite？

Sodium hydrosulphite.In the environment of the printing and dyeing factory, it will easily emit heat and ignite spontaneously when it meets with water, and is flammable, explosive and toxic.

The main use of insurance powder in printing and dyeing:

1. Reduction and cleaning of disperse dyes;

2. Vat dyeing of vat dyes;

3. Discoloration of reactive dyes;

4. Discoloration of acid dyes;

5. Discoloration of cationic dyes;

6. Reduction bleaching of silk, wool and other fibers;

7. Reducing agent in synthetic dye production.