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D.E.R.™ 668-20

D.E.R.™ 668-20 Solid Epoxy Resin is a high molecular weight resin for use in one pack stoving enamels in combination with heatreactive cross-linking agents such as amino- and phenolformaldehyde resins. This resin may also be used as a binder in ambient curing systems in combination with isocyanate cross-linkers.

Used in:

  • Can and Coil Coatings

Advantages:

  • High molecular weight
  • Highly effective in one pack stoving enamels
  • Wide range of applications
  • Excellent binder properties

Typical Physical Properties
These properties are typical but do not constitute specifications.

PropertyValueMethod
Epoxide Equivalent Weight (g/eq)2000-3500ASTM D-1652
Epoxide Percentage (%)1.2-2.2ASTM D-1652
Epoxide Group Content (mmol/kg)290-500ASTM D-1652
Melt Viscosity @ 150°C (cSt)2700-50001ASTM D-445
Softening Point (°C)135-146ASTM D-3104
Color (Platinum Cobalt)300 Max.1ASTM D-1209
Shelf Life (Months)24
140 wt% in diethylene glycol monobutyl ether.
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