Hexahydrophthalic Anhydride: The Key to Enhanced Epoxy Resin Performance
Discover the advantages of Hexahydrophthalic Anhydride (HHPA) CAS 13149-00-3, a superior cycloaliphatic dicarboxylic anhydride. As a leading supplier, we offer high-purity HHPA for exceptional epoxy resin curing, delivering enhanced durability, thermal stability, and environmental resistance in your formulations. Explore its applications in coatings, adhesives, composites, and electronics. Get a quote and sample today to elevate your product performance.
Get a Quote & SampleUnlocking Superior Epoxy Performance with HHPA

High-Purity Hexahydrophthalic Anhydride
As a trusted manufacturer and supplier in China, we provide high-quality Hexahydrophthalic Anhydride (CAS 13149-00-3) with an assay of ≥99%. Our commitment to quality ensures that you receive a product that guarantees excellent performance as an epoxy resin curing agent. We offer competitive pricing and support for online purchases, making it easy for you to buy the materials you need.
- Superior Curing Agent: Enhance the mechanical strength, thermal stability, and chemical resistance of your epoxy systems.
- Excellent UV Resistance: Ideal for coatings and applications exposed to sunlight, preventing yellowing and degradation.
- Low Viscosity: Facilitates easier processing and higher filler loadings in formulations.
- Trusted Manufacturer: Source your HHPA directly from a reliable supplier in China for consistent quality and supply.
Key Advantages of Using HHPA
Enhanced Durability
Our Hexahydrophthalic Anhydride is a top-tier epoxy resin curing agent that forms highly cross-linked networks, providing exceptional mechanical strength and resistance to abrasion, crucial for durable industrial applications.
Superior Environmental Resistance
Experience excellent weatherability and UV stability with HHPA. This alicyclic anhydride is ideal for outdoor coatings and applications where color retention and resistance to environmental factors are paramount.
Optimized Processing
With its low melt viscosity, Hexahydrophthalic Anhydride facilitates easier handling and application. This property also allows for higher filler loadings, offering greater formulation flexibility for adhesive and composite manufacturers.
Versatile Applications of HHPA
High-Performance Coatings
Utilize HHPA for formulating durable, weather-resistant coatings with excellent gloss and color stability, perfect for protective industrial finishes.
Advanced Adhesives and Sealants
Leverage HHPA as a curing agent for epoxy adhesives and sealants, ensuring strong bonding, high thermal stability, and chemical resistance for demanding applications.
Durable Composite Materials
In composite manufacturing, HHPA contributes to high mechanical strength and thermal resistance in Fiber-Reinforced Plastics (FRP) used in aerospace and automotive industries.
Electronic Encapsulation
Benefit from HHPA's excellent dielectric properties and thermal stability for encapsulating electronic components, ensuring reliability and longevity.