Supply High Purity Anionic Polyacrylamide; 1.Polyacrylamide purity 90%min; 2. ... a linear water soluble polymer with high molecular weight. We supply Anionic Polyacrylamide,Cationic Polyacrylamide,Nonionic Polyacrylamide, of granulated and powder ... Media,Walnut Shell Filter,Manganese Sand Filter,Quartz Fiter Sand,Ceramic Filter Sand,Biological Particulate Filters. For more details,please feel ...