In 1849, urethane was created for the first time. Wurtz and Hoffman reported a reaction involving an isocyanate and a hydroxyl compound during those years. Dr. Otto Bayer modified this reaction for a commercial application in 1937. Before this time, polyester-based urethane polymers had gradually su
Casting polyurethane is a process of manufacturing polyurethane parts or products by pouring liquid polyurethane into a mold and allowing it to cure into a solid shape. This process is commonly used in the production of a wide variety of products, such as automotive parts, industrial rollers, medica
