... 4.Certificate:ISO 9001:2008 PAM Polyacrylamide powder water chemical agent Polyacrylamide (PAM) chemical is water-soluble polymer, not insoluble ... wet strength ,used for retention aid agent, intensifier.2)Used for coagulant, flocculation agent, sludge dehydrating agents in water treatment. ... 3)Used for drop agent and driving agent in oil exploration4)PAM is also widely used ...