... in oil field, etc.Paper-making Auxiliary: Cationic PAM paper reinforce is water-soluble cationic polymer having the functions ... and will be poor in solubility if exposure to air for long time. The stacking layer should not be ... , mainly producingwater treatment materials, such as Polyaluminium Chloride (PAC),PAM including (Anionic Polyacrylamide)APAM ,(Cationic Polyacrylamide)CPAM,and ( nonionic ...