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Polymer Distribution
Milliken® Milldride® HHPA Hexahydrophthalic Anhydride
Categories: Other Engineering Material

Material Notes: Description: Hexahydrophthalic Anhydride (HHPA) is a saturated dicarboxylic anhydride and will undergo most of the reactions typical of this class of compounds. It is supplied as a white low-melting solid (38°C) which is miscible with most organic solvents. In water, it hydrolyzes to hexahydrophthalic acid.

Application Information: Milldride HHPA is a very effective curing agent for epoxy resins. It is also used in the preparation of alkyd and polyester resins where good color stability is important. HHPA cured epoxies are characterized by reduced color and improved electrical and physical properties as compared to amine-cured products. The low melting point of HHPA allows it to be easily handled and blended with liquid resins. Viscosities of the HHPA-epoxy mixtures are lower, pot life is extended in the absence of catalyst and curing reaction is less exothermic than with other hardeners. Areas of application including casting, laminating, embedding, coating, and impregnating electrical components.

Chemical Formula: C8H10O3

CAS No: 80-04-6

Information provided by Milliken®

Vendors:
Available Properties
  • Specific Gravity, Melted
  • Viscosity
  • Molecular Weight
  • Tensile Strength at Break, Cure: 24hr-150°C
  • Tensile Strength at Break, Cure: 200hr-150°C
  • Tensile Strength at Break, Cure: 4hr-150°C
  • Flexural Strength, Cure: 24hr-150°C
  • Flexural Strength, Cure: 4hr-150°C
  • Flexural Strength, Cure: 200hr-150°C
  • Compressive Strength, Cure: 24hr-150°C
  • Compressive Strength, Cure: 200hr-150°C
  • Compressive Strength, Cure: 4hr-150°C
  • Dielectric Constant, Cure: 200hr-150°C
  • Dielectric Constant, Cure: 4hr-150°C
  • Dielectric Constant, Cure: 24hr-150°C
  • Solidus
  • Pot Life, Cure: 24hr-150°C
  • Pot Life, Cure: 200hr-150°C
  • Pot Life, Cure: 4hr-150°C
  
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