Organotin Polyurethane Flexible Foam Catalyst for Long-Term Durability in Foams Introduction Polyurethane (PU) flexible foams are ubiquitous in modern life, from the cushions of our couches to the insides of our shoes. They provide comfort, support, and insulation, making them indispensable in various industries. However, the durability of these foams is a critical factor that...