Polyacrylamide, PAM, anionic, cationic and nonionic PAM, polyelectrolyte Our polyacrylamide serial products are made from acrylamide by our microbiological ... PAM are mainly used as flocculent to separate solid from liquid in the fields of mineral separation, metallurgy, chemicals ... insolation, sign with no moisture and no insolation. Polyacrylamide, polyelectrolyte, anionic, cationic and nonionic