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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 https://www.hexion.com/en-US/company/contact/ or Service@hexion.com.

EPI-REZ™ Resin 7520-WD-52

Description

EPI-REZ™ Resin 7520-WD-52 is a 52% weight solids, non-ionic aqueous dispersion of a modified EPON™ Resin 1001 solid epoxy resin. This low VOC and HAPs-free1 waterborne epoxy dispersion provides high performance coatings for metal and concrete substrates.  EPI-REZ™ Resin 7520-WD-52 exhibits good compatibility with many water-reducible amine curing agents, and is designed for use with either Research Curing Agent RSC-4431 or EPIKURE™ Curing Agent 6870-W-53. 

EPI-REZ Resin 7520-WD-52, when combined with Research Curing Agent RSC-4431, provides a cost-effective, high performance alternative to traditional solvent-borne coatings systems.  This new system is called the NextGen Epoxy™ Waterborne System. 

Benefits

  • Ultra-low VOC for concrete (<50 g/L) and metal (<100 g/L) coatings
  • Superior corrosion resistance (1000 hours ASTM B117)
  • Excellent adhesion to metal and concrete
  • Fast dry times and good hardness development
  • Long pot life with high gloss profile
  • High solids with low viscosity for easier handling
  • Improved product shelf and freeze-thaw stability

1Hazardous air pollutants as defined by the US Environmental Protection Agency .

Sales Specification

Property Standard Value Unit Test Method
Epoxide Equivalent Weight 475 - 575 g/eq ASTM D1652
Solids 51 - 54 % wt. ASTM D1259
Viscosity at 25°C 1000 - 6000 cP ASTM D2196

Typical Properties

Property Standard Value Unit Test Method
Appearance Milky Visual
Co-Solvent 5 % m/m Calculated
Density at 25°C 8.9 lbs/gal ASTM D1475

 
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