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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

EPI-REZ™ Resin 3520-WY-55


EPI-REZ™ Resin 3520-WY-55 is a 55 percent solids dispersion of an EPON™ Resin 1001F in water and 2-propoxyethanol. This resin is designed for use in waterborne, two-package coatings. When combined with suitable curing agents, EPI-REZ 3520-WY-55 offers the potential for high performance aqueous systems.


  • Same molecular weight epoxy resins as standard solvent-borne epoxy systems
  • High gloss
  • Excellent stability
  • Insensitive to pH
  • Accepts variety of pigments
  • Nonsettling or creaming on storage
  • Mechanically stable
  • Compatible with various solvents and curing agents
  • Negligible solvent odor


Sales Specification

Property Standard Value Unit Test Method
Fineness 5 min Hegman ASTM D-1210
Particle Size 0.2 - 0.5 µm SRC 00033
Solids 54 - 56 % ASTM D1259
Viscosity 7000 - 17000 cP ASTM D2196
Weight per Epoxide 485 - 555 solids ASTM D1652

Typical Properties

Property Standard Value Unit Test Method
Appearance Milky
Flash Point 200 - 0
Pounds per Gallon Solution 9.1 lbs/gal
Pounds per Gallon Solids 10.05 lbs/gal

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