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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 8021


EPON™ Resin 8021 is a very low viscosity resin possessing excellent wetting characteristics and rapid reaction rates with aliphatic amine curing agents over a broad temperature range. This combination of properties makes EPON 8021 an excellent choice for use in adhesives for bonding difficult-to-wet substrates, low temperature applied flooring compounds, rapid setting sealing compounds, and pressure injection systems.

Aliphatic amine cured EPON 8021 compositions are characterized by tough flexible cures reflecting a good combination of mechanical properties.

As a modifier for basic liquid epoxy resins, EPON 8021 imparts to the composition a unique combination of reduced viscosity, fast cure, and flexibility.

The excellent wetting characteristics of this resin are readily apparent when applied in bondline thicknesses to metal, plastic, damp concrete, and other difficult-to-wet substances. This property is manifest in exceptionally high bond strength to many such materials.

Sales Specification

Property Standard Value Unit Test Method
Color 1 max. Gardner ASTM D1544
Viscosity at 25°C 85 - 115 cP ASTM D445
Weight per Epoxide 300 - 320 g/eq ASTM D1652

Typical Properties

Property Standard Value Unit Test Method
Combining Equivalent Weight 150
Density at 25°C 9.2 lb/gal ASTM D1475

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