Polyacrylamide(PAM)

　　Polyacrylamide is high molecular and water-soluble polymer,can reduce the frictional resistance between liquids,according to ionicity classified as Anionics,Cationics and Nonionics,has good property of flocculation,thickening,anti-shearing,drag reduction,dispersibility,etc.It can be widely used in industries of oilfield,water treatment,papermaking,metallurgy,etc.It has been considered as many industries'necessary additive.