High-Flow PIR Catalyst TMR-2: The Flow Whisperer in Rigid Polyurethane Foams By Dr. Ethan Reed, Senior Formulation Chemist | October 2024 Ah, polyurethane foams—those spongy, insulating wonders that keep our refrigerators cold, our buildings cozy, and occasionally, our camping trips dry (unless you brought the leaky tent). But behind every perfect foam cell structure lies...

