Polyurethane Tensile Strength Agent: Enhancing Performance in PU Composites and Laminates Introduction Polyurethane (PU) materials are widely utilized in a diverse range of applications, including coatings, adhesives, elastomers, foams, and composites, owing to their versatility, durability, and tunable properties. However, in certain applications, the tensile strength of PU, especially in PU composites and laminates, may...