PANYU, GD, China, March 3, 2026 (SEND2PRESS NEWSWIRE) -- SIOResin® Polyethylenimine (PEI) is gaining attention worldwide. It is a water-soluble polymer with a very high cationic charge. PEI comes in both linear and branched forms. Its unique structure allows it to bond with many materials. It can form hydrogen, ionic, and covalent bonds. This makes it versatile for a wide range of applications.
