... white or light yellow crystalline powder4,Main content :96.5%min 5,Competitive price, Pass ISO 6,Annuual production:20,000mt Quality ... of fine chemicals, or used as developer6, In food industry, as bleaching agent, loosening agent, antisepsis bactericide and antioxygen ... antistaling agent PackingExternal packing is Food grade PP woven bag, Internal packing is PE bag, the ...