Formulating High Resilience Foam Using Polyurethane Catalyst PC-5 Catalyst Blends Abstract: This article delves into the formulation of high resilience (HR) polyurethane foam using Polyurethane Catalyst PC-5 (PC-5) catalyst blends. HR foam is characterized by its superior comfort, durability, and load-bearing properties, making it widely used in furniture, bedding, and automotive seating. This article comprehensively...