What is reaction injection molding (RIM)? Reaction injection molding (RIM) is a high-speed process for forming complex shapes from liquid-liquid polyurethane, polyurea, and other materials. It is a versatile, durable, cost-effective, and relatively low-cost manufacturing method that has been used in industrial and consumer products for over 30 years. In the RIM process, two or … Continue reading Understanding Reaction Injection Molding (RIM)