Anionic PAM 1. high molecular weight 2.reasonal price,high flocculant 3.ISO9001 international quality trustworthy products Anionic pamPolyacrylamide referred to as PAM, also known as on the 3rd cohesion agent, formula CONH2 [CH2-ch] n, is a linear water-soluble polymers, the molecular weight between 300-1800 million, appearance is white or colorless powder viscous gel-like, odorless, neutral, ...