Applications:
1. High-Performance Polymers: 4,4'-oxydiphthalic anhydride serves as a crucial ingredient for manufacturing polyimides, polyesters, and polybenzimidazoles, all renowned for their superior mechanical strength and heat resistance. These high-performance polymers find applications in the aerospace, automotive, electronics, and other demanding industries. 2. Insulating Materials: The electrical insulation properties of ODPA make it an indispensable component in the production of insulating films, coatings, and adhesives used in electrical cables, transformers, and electronic devices. 3. Composites: This versatile chemical can be incorporated into various composite materials, enhancing their mechanical properties, fire resistance, and dimensional stability.Specification:
| Appearance | White powder | Conform |
| Purity (%) | ≥99.0 | 99.8 |
| Loss on drying (%) | ≤0.5 | 0.14 |