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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

EPIKURE™ Curing Agent 8530-W-75


EPIKURE Curing Agent 8530-W-75 is a water-reducible polyamine adduct supplied at 75% weight solids in water.  It does not contain any organic solvents or acids.  This versatile waterborne curing agent can be combined with a solid epoxy resin dispersion to produce ambient-cure metal and concrete coatings. EPIKURE 8530-W-75, when combined with the solid epoxy resin dispersion EPI-REZ™ Resin 7520-WD-52, provides a cost-effective, high performance alternative to traditional solvent-borne coatings systems. This new system is called the NextGen Epoxy™ Waterborne System. 


  • Ultra-low VOC for concrete (<50 g/L) and metal (<100 g/L) coatings
  • Superior corrosion resistance (1000 hours ASTM B117)
  • Fast dry times and good hardness development
  • Long pot life with high gloss profile
  • High solids with low viscosity for easier handling
  • Excellent adhesion to metal, concrete and other masonry substrates
  • Low amine hydrogen equivalent weight provides lower curing agent demand

Sales Specification

Property Standard Value Unit Test Method
Amine Value As Supplied 250 - 300 mg KOH/g ASTM D2896
Solids 73 - 77 % wt. LM-045
Viscosity @ 25°C 6000 - 15000 cP ASTM D2196

Typical Properties

Property Standard Value Unit Test Method
Amine Hydrogen Equivalent Weight As Supplied 120 g/eq Calculated
Appearance * Clear to Light yellow solution Visual
Color Max 5 Gardner ASTM D1544
Density @ 25°C 9.2 lbs/gal ASTM D1475

* EPIKURE Curing Agent 8530-W-75 may be diluted 1:1 by weight with water.  Adding more water than recommended directly to the curing agent may result in haze.

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