sodium hydrosulphideis oftenreferred to asaluminum chlorideorcoagulant, which isbetweenALCL3 and AL[OH]betweenawater-solubleinorganicpolymers,chemical formulais [AL2[OH]whichNCL6-NLm]m representsthe degreeofpolymerization,n represents theneutralofthePAC products.coloryelloworpale yellow.havea strong bridge adsorptionperformanceof the product,during the hydrolysis process,the condensate,adsorptionand precipitationphysical and chemical processes. sodium hydrosulphidepackaging and storage: Theproduct packaging islined with plastic bag,theouter layer ofplastic sheetingbags,each bagweighs25 kilograms.Storedin a cool,dry placeto prevent thesun and rain.