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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 5003-W-55


EPI-REZ™ Resin 5003-W-55 is a nonionic aqueous dispersion of a polyfunctional aromatic epoxy resin with an average functionality of three. It is intended for high performance applications such as industrial fabric finishes and adhesives which require maximum chemical and solvent resistance and/or elevated temperature service.

Sales Specification

Property Standard Value Unit Test Method
Particle Size 0.6 - 1.2 µm SRC - 1
pH 3 - 5 ASTM E70
Solids 57 - 59 % ASTM D1259
Viscosity 2000 - 15000 cP ASTM D2196
Weight per Epoxide 195 - 215 g/eq ASTM D-1652

Typical Properties

Property Standard Value Unit Test Method
Pounds/Gallon 9.2 lbs/gal
Solvent              Water

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