ETMpam powder series Chemical name: Polyacrylamide CAS No.: 9003-05-8 ETMpam powder series 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. Cationic polyacrylamide Additive of mine and oil-field, wastewater treatment Anionic polyacrylamide paper-making profession, wastewater treatment, sludge dewatering Non-ionic polyacrylamide Centrifugalize the tailings of coal washing, filter the fine particles of iron ore, wastewater treatment, sludge dewatering