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We supply Sodium Meta-bisulphite in regular basis.
Na2S2O5: 96% min.
SO2 65% min.
Heavy metal(as Pb) 0.0010% max.
As 0.0002% max.
Fe 0.005% max.
Uses: Used in food industry, photography and agent for chemical manufacture, in leather, etc.
Certified under ISO 9001, specialized in chemical for over 56 years, our good know-how in China market allow us to run business smoother. For further details, you are welcome to contact us.