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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

EPON™ Resin 834


EPON™ Resin 834 is a BPA based epoxy resin that is semi-solid at room temperature. Systems using EPON Resin 834 can be formulated to be useful in a variety of high solids and tar modified coatings, high toughness adhesives, laminating, and prepreg molding materials. Because of its higher molecular weight, EPON Resin 834 provides enhanced system reactivity, surface tack and cured resin toughness in comparison to liquid grade BPA epoxies, but reduces elevated temperature performance. EPON Resin 834 is especially useful in applications requiring extra surface tack, cure speed or toughness but cannot tolerate additives or modifiers.


  • May be blended with other epoxy resins.
  • Semi-solid at room temperature, pourable at slightly elevated temperatures.
  • May be used to produce 10 to 15 mil films with high adhesion.
  • Improved toughness, tack and cure speed over unmodified liquid epoxies

Sales Specification

Property Standard Value Unit Test Method
Color 200 max. ASTM D1209
Viscosity at 25°C 2.1 - 2.4 cP ASTM D445
Weight per Epoxide 235 - 263 g/eq ASTM D1652

1 40% solution in methyl ethyl ketone

Typical Properties

Property Standard Value Unit Test Method
Density at 25°C 9.7 lb/gal ASTM D1475

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