PU rod

Thermosetting polyurethane elastomer is abbreviated as PU, English name is Casting Polyurethane, commonly known as Youli Glue, Spring Glue, which is formed by the reaction of polymer polyol and isocyanate, and chain extension and cross-linking. It is a new type of synthetic material between plastic and rubber.

According to the different structure of the main chain of polyurethane elastomer, it can be divided into two types: polyether type and polyester type.