Water Treatment Chemicals PAM There are four types of products: cation , anion, non-ion and amphoteric ion type. Water Treatment ChemicalsPAMSpecs.Item Index N A C APAppearence White granulated powderEffective matter content, % 90 90 90 90Molecular weight, million 2-10 12min.7-10 3-10Dissolution Time , Hour 1-2 0.5-1 0.5-1 0.5-1Ion Degree 3max20-30 10-80 --Mainly UsagePolyacrylamide is a linear ...