Polyurethane Rigid Foam Catalyst PC-8: A Comprehensive Analysis of Blowing Activity

introduction polyurethane (pu) rigid foam is a versatile material widely employed in various applications due to its excellent thermal insulation properties, high strength-to-weight ratio, and relatively low cost. these applications range from building insulation and refrigeration appliances to transportation and packaging. the formation of pu rigid foam involves a complex chemical reaction between polyol, isocyanate, and various additives, including catalysts, blowing agents, and surfactants. catalysts play…