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EPI-REZ™ Resin 7720-W-50


EPI-REZ Resin 7720-W-50 is a nonionic, waterborne epoxy dispersion based on a modified EPON™ Resin 1001-type solid epoxy resin. It is supplied in water at 50% solids by weight.  This dispersion can be formulated to provide the performance of traditional solvent-based epoxy coatings at an ultra-low VOC (<50 g/L). EPI-REZ Resin 7720-W-50 may be used in non-HAP waterborne formulations for metal and concrete substrates. EPI-REZ Resin 7720-W-50 exhibits good compatibility with water-reducible amine curing agents. A variety of EPIKURE™ curing agents may be used with EPI-REZ Resin 7720-W-50 (e.g., EPIKURE Curing Agent 6870-W-53 and EPIKURE Curing Agent 8530-W-75). 


  • Calculated VOC of 0 g/L *
  • Little or no odor
  • Long pot life (5-6 hours)
  • Superior corrosion resistance (1000 hours ASTM B-117 at 2-3 mils dry film thickness)
  • Shear-stable; suitable for dispersing pigment
  • Non-flammable/non-combustible

* For neat resin only. In USA only. For other countries, the VOC content (calc.) is 5 g/L

Sales Specification

Property Standard Value Unit Test Method
Viscosity at 25°C 1,000 - 10,000 cP ASTM D1545
Solids 48 - 53 % wt. ASTM D1259
Epoxide Equivalent Weight 475 - 575 g/eq ASTM D1652

Typical Properties

Property Standard Value Unit Test Method
Density at 25°C, resin solids 9.7 lb/gal
Appearance Opaque white Visual
Flash Point, Setaflash Closed Cup > 200 °F ASTM D3278
Density at 25°C, as supplied 9.0 lb/gal ASTM D1475
Water Content By Weight 50 % Calculated

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