PAM: 1,best quality & best price 2,supply by factory 3,Polyacrylamide purity 100% 4, ... water. In particular, acidic water, acid and organic matter and the red mud suspension turbidity from flocculation sedimentation and separation of ... : 0.5% maximum8) Monomer free: 0.05% maximumWe always do the best quality of PAM. expoting well of best quality PAM/Polyacrylamide