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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 3233


EPIKURE Curing Agent 3233 is an unmodified, T403-type polyoxypropylenetriamine that has moderate reactivity, low viscosity, low color, low vapor pressure and high primary amine content. It resists “blush”, “bloom” and “sweat-out” in epoxy compositions. EPIKURE Curing Agent 3233 is a trifunctional primary amine curing agent with the idealized chemical structure shown below.



  • Low viscosity and low vapor pressure
  • Light color and improved color retention compared to conventional amine-cured epoxy systems
  • Long pot life
  • Improved flexibility and good impact resistance

Sales Specification

Property Standard Value Unit Test Method
Amine Value 343 - 370 mg/g
Color 50 Pt-Co ASTM D1209

Typical Properties

Property Standard Value Unit Test Method
Density 8.2 lbs/gal ASTM D1475
Equivalent Weight 81 AHEW
Viscosity @ 25°C ~70 cP ASTM D2196

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