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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

HELOXY™ Modifier 71


HELOXY™ Modifier 71 is an undiluted amber colored, low-viscosity liquid, aliphatic epoxy ester resin that imparts increased flexibility and resistance to thermal shock when blended with conventional liquid bisphenol A based epoxy resins.


  • A low-viscosity flexibilizer that serves as a viscosity depressing agent.
  • A product that improves impact strength and toughness to a conventional liquid bisphenol A epoxy resin.

Sales Specification

Property Standard Value Unit Test Method
Color 10 Gardner ASTM D1544
Viscosity at 25°C 400 - 900 cP ASTM D445
Weight per Epoxide 390 - 470 g/eq ASTM D1652

Typical Properties

Property Standard Value Unit Test Method
Density @ 25°C 8.2 lbs/gal
Flash Point 140 °C
Gravity Specific @ 25°C 0.98
Physical Form Clear amber liquid

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