Polyacrylamide is, simply called PAM, a water- soluble high polymer and widely used in petroleum, paper-making, metallurgical, textile, chemical and environment protection fields. There are three categories of anionic, cationic and non-ionic type.

Polyacrylic acide(Anionic powder) is high molecular weight polymer with anionic charge, used for industrial and potable water treatment, paper mills and mining industry.