water treatment cationic polyacrylamide appearance:white granule solid content:90%min cationic degree:20%-80% cationic pam mainly used in water treatment industry,paper industry,food processing industry,petrochemical industry,millruning industry,dyeing industry and sugar-refining industryusage:.1.sludge dewatering2.organic water treatment3.paper-making industry4,additive in the oil ...