... cation , anion, non-ion and amphoteric ion type. Water Treatment ChemicalsPAMSpecs.Item Index N A C APAppearence White granulated powderEffective ... separation, metallurgy, chemical and food industries, etc.; the sewage treatment of iron and steel, textile, paper-making, chemical and ... . 3. Compared with emulsion type product, the biggest advantage is that there is no mineral oil and surface-active ...