Main uses: Bleach agent (e.g.candies, cake, bamboo shoots, etc); Loose agent (e.g.bread, cracker etc); Antiseptic and germ SpecificationStandardTypical resultContent(Na2S2O5) %≥95.096.4Water-insoluble Matter, % ≤0.050.04Iron(Fe), % ≤0.0050.004PH4.0-4.64.4Main uses: Bleach agent (e.g.candies, cake, bamboo shoots, etc); Loose agent (e.g.bread, cracker etc); Antiseptic and germ Sodium Metabisulphite ...