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Specification For Food Grade and Industry Grade : ItemQuality IndexFood GradeIndustry GradePurity ( As Na2S2O5)98.0% min96.0% minSulfur Dioxide( SO2)65.0% min65.0% minArsenic ( As )0.0002% max-Heavy metals ( As Pb )0.0005% max-Selenium (Se )0.0005% ma…

 

Specification For Food Grade and Industry Grade :

 

Item	Quality Index
	Food Grade	Industry Grade
Purity ( As Na2S2O5)	98.0% min	96.0% min
Sulfur Dioxide( SO2)	65.0% min	65.0% min
Arsenic ( As )	0.0002% max	-
Heavy metals ( As Pb )	0.0005% max	-
Selenium (Se )	0.0005% max	-
Iron (Fe)	0.001% max	0.002% max
Water insoluble	0.02% max	0.05% max
PH value :	4.0-4.8	4.0-4.8
Remark :	Conformed with FCC V and E 223 Standard

      

Appearance : White Free Flowing Fine Crystal or Powder

 

Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.