Polycaprolactone diol is widely used in the production of polyurethanes, where it serves as a key component in creating flexible and durable materials. Its application extends to coatings, adhesives, and sealants, providing excellent resistance to abrasion, chemicals, and water. In the medical field, it is utilized in biodegradable implants and drug delivery systems due to its biocompatibility and controlled degradation properties. Additionally, it is employed in the manufacturing of soft elastomers and thermoplastic polyurethanes, which are essential in automotive parts, footwear, and industrial goods. Its versatility also makes it suitable for 3D printing materials, enabling the creation of complex and functional prototypes.