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On January 31, 2021, 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 HD


HELOXYTM Modifier HD is a diglycidyl ether of 1,6-hexanediol.

The modifier is primarily used as a reactive diluent or viscosity reducer for liquid epoxy resins.


  • Reduces viscosity while maintaining most cured state properties
  • Improves wetting characteristics
  • Facilitates air release

Sales Specification

Property Standard Value Unit Test Method
Color ISO 6271 50 max. Hazen
Epoxy Equivalent 135 - 155 g/equivalent DIN 16945
Epoxy Number 27.75 - 31.85 % DIN 16945
Viscosity at 25°C 14 - 25 mPa·s DIN 16945

Typical Properties

Property Standard Value Unit Test Method
Delivery Form liquid
Density at 20°C ISO 2811 1.05 - 1.07 kg/L
Hydrolyzable Chlorine Content ISO 21627-2 0.3 %
Refractive Index at 25°C 1.458 - 1.462 DIN 51423

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