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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 KR


HELOXYTM Modifier KR is a monoglycidyl ether of o-cresol.

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


  • Reduces viscosity of liquid epoxy resins
  • Low volatility
  • Improves substrate and filler wetting of conventional formulations

Sales Specification

Property Standard Value Unit Test Method
Color ISO 6271 60 Hazen
Epichlorhydrin 20.0 max. ppm
Epoxy Equivalent 175 - 190 g/equivalent DIN 16945
Epoxy Number 22.6 - 24.6 % DIN 16945
Hydrolyzable Chlorine Content ISO 21627-2 0.3 %
Phenylglycidylether 1000 max. ppm
Refractive Index at 25°C 1.524 - 1.528 DIN 51423
Viscosity at 25°C 5 - 10 mPa·s DIN 53015

Typical Properties

Property Standard Value Unit Test Method
Delivery Form liquid
Density at 20°C ISO 2811 1.08 - 1.1 kg/L

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