sodium metabisulfite

1，Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc);

Loose agent (e.g. bread, cracker etc);

Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc.) ;

Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc.)

2，Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching ; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde. The hide profession employ to do to molt dose and pliable dose and wearproof  dose ; sewage treatment, and so on .

3，Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.

4，Photo Grade:The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.