Polyurethane Catalyst PMDETA: A Dual-Function Catalyst for Rigid Foam Core Applications Abstract: Pentamethyldiethylenetriamine (PMDETA), a tertiary amine catalyst, plays a crucial role in the production of rigid polyurethane (PUR) foams, particularly those used in core applications. This article provides a comprehensive overview of PMDETA, focusing on its chemical properties, catalytic mechanism, applications in rigid foam...