Enhancing Polyurethane Foam Expansion with Blowing Catalyst BDMAEE for Superior Thermal Insulation Performance Abstract Polyurethane (PU) foams are widely used in various industries due to their excellent thermal insulation properties, durability, and versatility. The performance of PU foams is significantly influenced by the choice of blowing agents and catalysts. Among these, BDMAEE (N,N,N’,N’-Tetramethylguanidine) has emerged...