Sodium Metabisulphite 64% Tech Grade Sodium Metabisulphite (As SO2), %≥--------------------------------64 Fe %≤---------------------------------------------------------------------0.005 Water-insoluble Matter%≤---------------------------------------------0.05 PH -------------------------------------------------------------------------4.0-4.6 ? Sodium Metabisulphite 64% Food Grade Sodium Metabisulphite (As SO2), %≥--------------------------------64 Fe, %≤---------------------------------------------------------------------0.005 Water-insoluble Matter, %≤--------------------------------------------0.05 PH -------------------------------------------------------------------------4.0-4.6 Pb%≤---------------------------------------------------------------------0.002% As%≤----------------------------------------------------------------------0.0002% Appearance : White powder Packing: 25 kg in net PP bag, 20MT in the 20'FCL Uses : It is used as a food additive, leaching agent for textile fibres; Colors stripper and dechlorination; preparation of Indigo Vat Dye; solubilizing and acidyfing agent for leather industries ;bleaching agent for paper pulps; preservative and sterilisation agent for food industries |