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.

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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