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Sodium metabisulfite

Sodium metabisulfite food grade and industrial 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 waterrproof dose; sewage treatment, and so on .

Specification
Items Food grade Industrial grade
Na2S2O2(%) 97 96.95
SO2(%) 66.11 66.11
As(%) 0.00012 0.00012
Pb(%) 0.0003 0.0003
Se(%) 0.0001 0.0001
Water insoluble 0.011 0.011
Fe(%) 0.0010 0.0010
PH 4.4 4.4
Package Ton bag/25kg bag Ton bag/25kg bag

Usage
Food Grade
1.Bleach agent (e.g.candies, cake, bamboo shoots, etc);
2.Loose agent (e.g.bread, cracker etc);
3.Antiseptic and germicide (e.g.fruit juice, tinned food brews, the cereals food is defended storage etc);
4.Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)
Industrial Grade
1.Mordant of printing and dyeing;
2.Dechlorinate of textile after bleaching;
3.Sulphonated agent and reducer of chemical industry and pharmacy;
4.Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste water;
5.Rubber solidifying agent
6.Perfume industry is served as hydrocarbon perfume aldehyde
7.The hide profession employ to do to molt dose and pliable dose and wearproof dose 8.The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on;
8.sewage treatment.