Developing Specialized Soft PU Foams with Polyurethane Foam Softener Innovations Introduction: Polyurethane (PU) foams, renowned for their versatility, find extensive applications in furniture, bedding, automotive interiors, and numerous other industries. Soft PU foams, characterized by their low density and high resilience, are particularly desirable for comfort-related applications. However, achieving specific softness, resilience, and durability characteristics...