... Sodium metabisulfite 1.Both food & tech grade 2.Steady high quality 3.Nicest price &Good service 4.Prompt delivery Specification of the Sodium ... material of fine chemicals, or used as developer6, In food industry, as bleaching agent, loosening agent, antisepsis bactericide and ... PE bag, the thickness ≥0.05mm. There are "food additives Sodium metabisulfite" printed on the external packing, with the sign ...