... : Colloid product has no color, transparent, not poisonous, and has no corrosion. Powder is white. Both can be ... brief name PAM, so-called flocculant or coagulate, and includes cation and anion, the molecular weight is between 400-18, ... making, textiles, sugar-making, cutting stones, chemical engineering, medicine and wastewater treatment etc. best price of anionic Polyacrylamide for water treatment ...