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D.E.N.™ 431

D.E.N.™ 431 Epoxy Novolac Resin combines in one molecule the thermal stability of a phenolic backbone with the reactivity and versatility of an epoxy. This product has multi-epoxy functionality (± 2.8) and produces tightly cross-linked cured systems.

Used in:

  • Adhesives
  • Casting and Tooling
  • Composites
  • Can and Coil Coatings
  • Marine and Protective Coatings
  • Potting and Encapsulation

Advantages:

  • Good thermal stability
  • Excellent reactivity and versatility
  • Offers multi-epoxy functionality (± 2.8)
  • Produces tightly cross-linked cured systems
  • Exhibits good chemical resistance and elevated temperature performance

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

Property

Value

Method

Epoxide Equivalent Weight (g/eq)

172 – 179ASTM D-1652

Epoxide Percentage (%)

24.0 – 25.0

ASTM D-1652

Epoxide Group Content (mmol/kg)

5590 – 5820

ASTM D-1652

Color (Platinum Cobalt)

250 Max.

ASTM D-1209

Viscosity @ 51.7°C (mPa•s)

1100 – 1700

ASTM D-445

Hydrolyzable Chloride Content (ppm)

1500 Max.

ASTM D-1726

Density @ 25°C (g/ml)

1.21

ASTM D-4052

Volatiles (wt%)

0.5 Max.

ASTM E-203

Shelf Life (Months)

24

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