JAMMARK INTERNATIONAL TRADINGE(ZIBO) CO., LTD. is one of the most professional manufacturers and suppliers of high purity pyromellitic dianhydride 98% in China. If you're going to buy high quality high purity pyromellitic dianhydride 98% made in China, welcome to get more information from our factory. For price consultation, contact us.
Product Overview
High Purity Pyromellitic Dianhydride 98% is a premium-grade chemical widely used as a core material in polyimide resins, adhesives, coatings, and electronic components. Its 98% high purity ensures excellent stability, consistent performance, and reliable quality for demanding industrial applications.
Key Features:
- 98% purity for superior product consistency
- Excellent thermal and chemical resistance
- Suitable for high-performance aerospace, automotive, and electronic materials
Applications:
- Monomer for polyimide polymers such as Kapton; thermoplastics such as polyester, polyether, polyetherimide (PEI)
- High-performance coatings and adhesives
- Semiconductor and insulation materials
large enterprise scale
Efficient and precise processing and testing equipment.
Standardized Production
Passed ISO9001 certification and obtained relevant patent certificates.
High-Quality Customized Services
No intermediate links, providing one-stop service from design, processing, mold trial to mass production.

Why choose JAMMARK INTERNATIONAL TRADINGE's pyromellitic Dianhydride ?
- Own Factory: The company owns complete production facilities, including gas-phase oxidation units, recrystallization units, and hydrolysis units, and is equipped with a DCS operating system and SIS system to ensure the standardization and safety of the production process.
- Quality Assurance: Our products adopt international quality standards and have passed ISO9001 certification. Our factory is equipped with comprehensive environmental protection equipment (such as bag filters and activated carbon adsorption devices) to ensure product purity and environmental performance.
- Delivery Guarantee: As an enterprise integrating R&D, production and sales, Anquan Chemical can flexibly respond to order demands, reduce supply chain fluctuation risks, and ensure stable delivery.
| Item | Standard |
| Appearance | Off-White or light yellow Crytsal |
| Assay | ≥98% |
| Meilting point | 283~286℃ |
| Neutralization equivalent | 54.5±0.2 |
JAMMARK INTERNATIONAL TRADINGE(ZIBO) CO., LTD. is a professional chemical factory
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