N,N,N’,N’-Tetramethyl-1,3-propanediamine: The Foaming Whisperer That Makes Polyurethane Light as Air By Dr. Eva Lin – Senior Formulation Chemist & Foam Enthusiast 🧪✨ Ah, polyurethane foams. You’ve sat on them (probably while reading this), slept on them, maybe even hugged one during a particularly emotional breakup. They’re everywhere—mattresses, car seats, packaging, and that weirdly bouncy gym...

