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On February 1, 2022, Hexion Holdings Corporation announced that it has completed the sale of its Coatings and Composite businesses, which includes the epoxy specialty resins and base epoxy resins and intermediates product lines, to Westlake Chemical Corporation. For epoxy coatings and composite product inquiries, please contact customer service at or

EPIKURE™ Curing Agent 3125


EPIKURE™ Curing Agent 3125 is a medium viscosity reactive polyamide curing agent, based on dimerized fatty acid and poly-amines. This is a general purpose curing agent for epoxy resins that is suitable for many uses including solvent-borne coatings, potting, adhesives, caulks and grouts. EPIKURE Curing Agent 3125 can be used with a wide range of epoxy resins and can be blended with other amine-based hardeners.


  • Excellent adhesion
  • Good water resistance
  • Good toughness and flexibility
  • Good pigment and substrate wetting

Sales Specification

Property Standard Value Unit Test Method
Amine Value 330 - 360 mg/g ASTM D2896
Color <9 Gardner ASTM D1544
Equivalent Weight Approx. 127 AHEW
Viscosity at 40°C 8000 - 12000 cP ASTM D2196

Typical Properties

Property Standard Value Unit Test Method
Appearance Clear and free of foreign particles
Density @ 25°C 8.1 lbs/gal
Flash Point >110 °C ASTM D3278
Mix Ratio Epoxy Resin (EEW 190) 50 - 70 PHR
Mix Ratio Epoxy Resin (EEW 525) 33 PHR

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