Optimizing Polyurethane Catalyst PC-5 Concentration for Specific Process Conditions Introduction Polyurethane (PU) is a versatile polymer material widely used in various applications, including coatings, adhesives, elastomers, foams, and sealants. Its diverse properties stem from the reaction between polyols and isocyanates, a process that is significantly influenced by catalysts. Among the various catalysts employed, PC-5, a...