... and anion type again according to the special. Dear Sir, Pleased to meet you on Alibaba,we are polyacrylamide supplier ... located in Shandong province,China.Polyacrylamide called flocculant or coagulate.We can supply acation,anion type which molecular weight is between ... coating,wastewater treatment,ect. The powder production mainly regards anion types of principle,can meet different needs and usages, ...