Polyacrylamide(PAM),often referred to as "polymer"or"flocculant".It is a long chain,linear organic polymer made up of individual monomer units with the molecular formula of C3H5NO and molecular weights ranging from 3,000,000 to 30,000,000 Daltons.

It is widely used in waste water treatment of chemical industry,municipal sewage treatment,such as coal washing,mineral processing,metallurgy,iron and steal industry and electronic industry.It is also used in oil industry to enhance oil recovery which is widely used.In addition,it can be used as paper additives and textile pulp agent.