Diisobutyl cyclohexane-1,2-dicarboxylate is primarily used as a plasticizer in the manufacturing of polymers and resins. It enhances the flexibility, durability, and workability of materials like PVC, making it suitable for applications in the production of cables, flooring, and synthetic leather. Additionally, it is employed in coatings and adhesives to improve their performance and stability. Its compatibility with various polymers makes it a versatile additive in industrial and consumer products.