... 3,Polyacrylamide purity 100% 4,prompt delivery Polyacrylamide PAMPolyacrylamide called PAM, commonly known as flocculants or cohesion agent, sub-cation, anion ... , use less, water and low cost, flocculant can not be replaced by other products.Features of PAM: 1) Appearance: white granule2) Molecular ... free: 0.05% maximumWe always do the best quality of PAM. expoting well of best quality ...