Used as a key component in the production of high-performance polyurethane elastomers, thermoplastic polyurethanes, and polyurethane coatings. Offers excellent low-temperature flexibility, hydrolytic stability, and resistance to oxidation, making it ideal for demanding applications in automotive parts, industrial hoses, seals, and gaskets. Commonly used in the synthesis of spandex fibers due to its ability to provide superior elasticity and durability. Also utilized in specialty adhesives and sealants where flexibility and long-term performance are critical. Its compatibility with various isocyanates allows for tailored formulations in reactive polymer systems.