Polyurethane Prepolymer
Mar 10, 2021
Polyurethane is a high molecular polymer formed by the reaction of polyisocyanate and polyether or polyester polyol under certain conditions.
Polyurethane prepolymer is simply a reactive semi-finished product obtained by controlling a certain ratio of polyisocyanate and polyol to react. Due to the wide variety of polyisocyanates and polyols, the reaction ratios are different.
