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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

EPI-REZ™ Resin 3540-WY-55


EPI-REZ™ 3540-WY-55 Resin is a 55 percent solids dispersion of an EPON™ Resin 1007F in water and 2-propoxyethanol. This resin is designed for use in formulating industrial baking finishes, film adhesives/primers and fiber finishes/binders. When crosslinked with an appropriate resole, melamine or urea-formaldehyde resin and baked, epoxy coatings can be obtained that offer performance comparing favorably to solvent-borne epoxy coatings. This resin may also be used in industrial ambient cure primers in conjunction with waterborne EPIKURE™ amine curing agents that offer quick coalescing films with short lacquer dry times. 


  • May be formulated to low VOC coatings
  • Good adhesion to steel or aluminum
  • Compatible with a variety of aminoplast resins
  • Stable with a wide range of solvents
  • Nonionic stable dispersion of high molecular weight Bisphenol A resin

Sales Specification

Property Standard Value Unit Test Method
Particle Size 0.35 - 0.85 microns SRC 00033
pH 7 - 10 ASTM E70
Solids 53.5 - 55.5 % ASTM D1259
Viscosity 7000 - 17000 cP ASTM D-2196
Weight per Epoxide 1600 - 2000 g/eq ASTM D1652

Typical Properties

Property Standard Value Unit Test Method
Appearance Opaque white liquid
Pounds/Gallon Solution 9 lbs/gal
Pounds/Gallon Solids 10.1 lbs/gal

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