Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

DOW DEN438 Epoxy Resin

DOW DEN438 from Dow's specialty epoxy resin series is a multifunctional novolac-based formulation engineered for the most demanding chemical and thermal environments. This high-functionality resin delivers superior resistance to aggressive solvents, acids, and elevated temperatures while maintaining excellent mechanical properties. The product's unique molecular structure provides outstanding performance in critical protection applications.

  • dow den438
  • dow den438

Features Of DOW DEN438 Epoxy Resin

  1. Novolac chemistry - Exceptional chemical and thermal resistance

  2. High functionality - Enhanced crosslinking density for superior durability

  3. Thermal stability - Maintains integrity at continuous high temperatures

  4. Chemical resistance - Withstands harsh acids and solvents

Typical Applications Of DOW DEN438 Epoxy Resin

  1. Chemical process equipment - Reactor and vessel linings

  2. Oil and gas pipelines - Corrosion protection systems

  3. Semiconductor fabrication - Acid-resistant coatings

  4. Aerospace composites - High-temperature components

  5. Electrical insulation - Harsh environment applications

Specifications Of DOW DEN438 Epoxy Resin

Epoxy Equivalent Weightg/eq175-182
Viscosity at 25°CcP20,000-40,000
Melting Point°C70-80
Gardner Color-≤3
Hydrolyzable Chlorideppm≤500
Softening Point°C65-75
Density at 25°Cg/cm³1.20-1.22
Flash Point°C>200


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