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

DOW Solid Epoxy Resin

The DOW Solid Epoxy Resin series combines tailored molecular architectures with multifunctional reactivity to address demanding industrial requirements. Built on bisphenol A or phenolic novolac backbones, the resins feature adjustable epoxy equivalent weights (EEW) ranging from 172 to 2100 g/eq, enabling precise control over crosslinking density and cured network properties.

High-EEW variants exhibit extended chain lengths for enhanced flexibility, while low-EEW grades maximize epoxy group concentration to achieve rigid, chemically resistant thermosets.

Post-cure, the resins form densely crosslinked networks with high glass transition temperatures (Tg), delivering mechanical strength, dimensional stability, and resistance to acids, solvents, and thermal degradation.


  • dow-resin
  • dow-resin

Features Of DOW Solid Epoxy Resin

  1. Versatile Curing Performance: Compatible with various curing agents (amines, anhydrides, phenolic) to form highly cross-linked 3D networks with excellent mechanical strength.

  2. Exceptional Thermal Stability: High glass transition temperature (Tg 150-160°C) maintains performance in high-temperature applications.

  3. Superior Chemical Resistance: Resistant to water, acids, alkalis and organic solvents, ideal for harsh environments.

  4. Excellent Electrical Properties: Provides reliable insulation for high-temperature electrical components with outstanding dielectric characteristics.

  5. Optimized Processing Characteristics: Balanced viscosity and flow properties enable easy application in coatings, composites and adhesives.

Typical Applications Of DOW Solid Epoxy Resin

  1. Electrical Insulation: Transformers, motors and high-power PCBs requiring thermal and electrical protection.

  2. High-Performance Composites: Aerospace, automotive and sports equipment utilizing carbon fiber reinforcement.

  3. Industrial Coatings: Decorative powder coatings and corrosion-resistant finishes for metal surfaces.

  4. Chemical Equipment: Storage tanks, pipelines and reactors demanding chemical resistance.

Specifications Of DOW Solid Epoxy Resin

ModelEpoxy Equivalent Weight (g/eq)Softening Point (°C)Color (Gardner)Total Chloride (%)
DER671875–97585–95≤2≤0.3
DER669E2300–2900125–135≤2≤0.3
DER669-202700–3300135–145≤2≤0.3
DER667-201750–2100104–110≤2≤0.3
DER664UE860–930104–110≤1≤0.3
DER663UE675–76095–105≤2≤0.3
DER663U730–82092–102≤2≤0.3
DER662E450–50064–74≤2≤0.3
DER6508172–176/≤1≤0.3


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