... 3,Polyacrylamide purity 100% 4,prompt delivery Polyacrylamide PAMPolyacrylamide called PAM, commonly known as flocculants or cohesion agent, sub-cation, anion ... , flocculant can not be replaced by other products.Features of PAM: 1) Appearance: white granule2) Molecular weight: 5 - 22 million minimum ... free: 0.05% maximumWe always do the best quality of PAM. expoting well of best quality ...