... papermaking, mineral, textile, etc. high molecular weight excellent flocculation effect Polyacrylamide/PAM (in the form of homopolymer or copolymer )according to ... can be divided into several categories: anionic, cationic, non-ionic and amphoteric polyacrylamide, which are widely used in water treatment, papermaking, ... dot comHenan Kingway Chemicals Co., Ltd. Oil drilling Grade Polyacrylamide PAM