1.molecular weight:8-10million 2.solid content:>88% 3.degree of ion:35-40% Paper retention and drainage agentPaper retention agent PDAE-I,PDAE-II,PADE-III etc.We invented them according to different paper types, which are separately for the writing culture paper, paperboard, newsprint paper and so on.Main Effects:Improve the retention rate and save fiber and other chemistry raw material ...