1. Product Overview & Key Parameters

Chemical Name: Hexahydrophthalic Anhydride (HHPA)

CAS No.: 85-42-7 (main), 13149-00-3 (cis-isomer)

Molecular Formula: C₈H₁₀O₃

Molecular Weight: 154.16 g/mol

*Typical market benchmarks based on industry analysis

2. Industrial Applications

2.1 Epoxy Resin Curing

HHPA serves as a high-performance curing agent for epoxy resins, offering:

• Extended pot life (60-90 minutes at 120°C)
• Low volatility during processing
• Exceptional thermal stability (up to 180°C)

2.2 Polyester Synthesis

In polymer production, HHPA enables:

• Hydrogenated structure for UV resistance
• Enhanced mechanical properties in coatings
• Compliance with FDA food-contact regulations

2.3 Specialty Chemicals

• Plasticizers for PVC cables
• Adhesives for aerospace composites
• Encapsulants for electronic components

3. Usage Scenarios

3.1 Automotive Coatings

Formulation: HHPA-based polyester resin (35% w/w)

Benefits:

• 20% improvement in weathering resistance
• 50°C higher heat distortion temperature

3.2 Wind Turbine Blades

Application: Epoxy composite curing

Performance:

• 30% faster cure cycle vs. methylnadic anhydride
• VOC emissions below 50 ppm

4. Client Success Stories

Case 1: Automotive OEM Supplier

Client Profile: Tier-1 European automotive coatings manufacturer

Challenge: Needed non-yellowing clearcoat for electric vehicles

Solution: HHPA-modified polyester resin system

Results:

• ΔE < 1.0 after 3,000 hrs QUV testing
• 15% reduction in bake oven energy consumption

Case 2: Electronics Manufacturer

Client Profile: Global producer of power semiconductors

Challenge: Requiring UL94 V-0 compliant encapsulants

Implementation: HHPA-cured epoxy formulation

Outcomes:

• CTI ≥ 600 volts
• 0.08% weight loss at 200°C/24hrs

5. Request Consultation

Optimize your formulations with HHPA technical support:

✉ Email: info@vivalr.com

Phone: (86) 15866781826

Request:

• Customized technical datasheets
• Sample quantities (25kg drums available)
• Regulatory compliance documentation