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D.E.N.™ 438-EK85

D.E.N.™ 438-EK85 Epoxy Novolac Resin is a general purpose, widely used epoxy novolac resin that has multi-epoxy functionality (±3.6) and is recognized as a standard for high temperature applications. This product also produces tightly cross-linked cured systems.

Used in:

  • Composites
  • Can and Coil Coatings
  • Marine and Protective Coatings

Advantages:

  • Excellent for high temperature applications
  • Good thermal stability
  • Good corrosion/chemical resistance
  • Offers multi-epoxy functionality (± 3.6)
  • Produces tightly cross-linked cured systems
  • Offers ease of mixing and processing

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

Property

Value

Method

Epoxide Equivalent Weight (g/eq)(1)

176 – 181

ASTM D-1652

Epoxide Percentage (%)(1)

23.8 – 24.4

ASTM D-1652

Epoxide Group Content (mmol/kg)(1)

5525 – 5680

ASTM D-1652

Color (Gardner)

2 Max.

ASTM D-1544

Viscosity @ 25°C (mPa•s)

600 – 1600

ASTM D-445

Density @ 25°C (g/ml)

1.15

ASTM D-4052

Volatiles (wt%)

14 – 16

ASTM E-203

Solvent

Methyl Ethyl Ketone

.

Shelf Life (Months)

24

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