4,4′-Oxydiphthalic Anhydride Cas 1823-59-2 (ODPA) Purity 99% for Polyimide

Polyimide Synthesis: It serves as a key monomer for the preparation of high-performance polyimide resins. It is utilized in the production of polyimide films, fibers, composites, and other materials characterized by high heat resistance, mechanical strength, low dielectric constant, and excellent chemical stability; these materials are widely applied in fields such as aerospace, electronics and electrical engineering, microelectronics packaging, and flexible displays.

Other Applications: It can also be used in the preparation of foams, adhesives, molded parts, and similar products.