Food Grade Grade Standard Sodium Metabisulphite factoryMolecular Formula:Na2S2O5 Molecule Weight:190.10CAS No:7681-57-4Appearance:White or light yellow crystalline powderSpecification:
Main uses: 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)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 stapk; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydrocarbon perfume aldehyde The hide profession employ to do to molt dose and pliable dose and wearproof dose The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment. Packaging:in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.
|ITEM||Industrial grade||Food grade|
|Assay:||96% min||96% min|
|SO2 content||65% min||65% min|
|Iron:||0.005% max||0.005% max|
|Heavy metals (as Pb)||--||0.002% max|
|Water insoluble:||0.05% max||0.05% max|