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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 813


EPON™ Resin 813 is a low viscosity liquid bisphenol-A based epoxy resin diluted with cresyl glycidyl ether.


  • Low viscosity for easy pumping and handling
  • Reacts with full range of curing agents at low temperatures
  • Produces high-strength cured systems resistant to chemical attack
  • Slightly lower odor than butyl glycidyl ether diluted epoxy resins (EPON Resin 815C type)
  • Less prone to crystallization than other diluted epoxy resins

Sales Specification

Property Standard Value Unit Test Method
Color 75 max. Pt-Co ASTM D1209
Viscosity at 25°C 5 - 7 P ASTM D445
Weight per Epoxide 180 - 195 g/eq ASTM D1652

Typical Properties

Property Standard Value Unit Test Method
Density at 25°C 9.5 lb/gal ASTM D1475
Flash Point, Setaflash >199 °F ASTM D3278
Physical Form Liquid
Specific Gravity 1.14 g/mL
Vapor Pressure at 20°C Negligible mm Hg

1Vapor pressure of pure cresyl glycidyl ether.

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