... 3.degree of ion:35-40% Paper retention and drainage agentPaper retention agent PDAE-I,PDAE-II,PADE-III etc ... material costBetter fiber, collid, and stuffing retention, better paper qualityLow white water concentration, reduce solid content ratio, strengthening ... Carpet clearliness,long effectiveness and life cycleImprove degree of sizing, low dosageReduce system settling,Clear harmful substance,Improve ...