Applications of Low-Odor Catalyst DPA in Eco-Friendly Polyurethane Systems Introduction Polyurethane (PU) systems have become indispensable in various industries, from automotive and construction to footwear and furniture. However, the traditional catalysts used in PU formulations often come with significant drawbacks, such as strong odors, environmental concerns, and health risks. Enter DPA (Diphenylamine), a low-odor catalyst...