Shandong Shuiheng Chemical Co., Ltd. Anionic Polyacrylamide APAM Fine Chemicals for Oil Displacement Agent 1. Product characteristicsAnionic polyacrylamide (APAM) series products are water-soluble linear polymers synthesized under high degree polymerization, easily soluble in water, almost insoluble in the benzene, the ether, the aliphatics,..