news Applications of Rigid Foam Catalyst PC-5 Pentamethyldiethylenetriamine in Polyurethane Systems Applications of Rigid Foam Catalyst PC-5 Pentamethyldiethylenetriamine in Polyurethane Systems Intro... 03/2577Applications of Rigid Foam Catalyst PC-5 Pentamethyldiethylenetriamine in Polyurethane Systems