... can reduce the friction between liquid, they can be divided into four types by ion characteristic they are nonionic, anion ... and driving agent in oil exploration4)PAM is also widely used for thickening, stable friction reduction, colloid, binding, film, ... PAMNon-ionic PAMAppearanceWhite Granule or powderWhite GranuleWhite Granule or powder Solid content ,%≥90≥90≥90Molecular Weight3-20 million30%-80 ...