Grade | Molecular WEIGHT | Charge density | solid content | Dissolving time |
Anionic polyacrylamide | 5-22 million | 10%-50% | 90% min | 60 minutes max |
Cationic polyacrylamide | 8-12 million | 5% -60% | 90% min | 60 minutes max |
Non-ionic polyacrylamide | 8-12 million | 0%-5% | 90% min | 60 minutes max |