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

Dow DER 353 Epoxy Resin

Dow DER 353 Epoxy Resin is a high-purity, low-viscosity liquid epoxy resin from Dow’s DER™ series, designed for aerospace composites and advanced electronics encapsulation. It offers excellent thermal stability, low ionic impurities, and superior dielectric properties. Widely used in high-reliability applications requiring consistent performance and minimal outgassing.
  • dow der 353 epoxy resin_326373d8
  • dow der 353 epoxy resin_326373d8

Features Of Dow DER 353 Epoxy Resin

  1. High-purity, low-chloride bisphenol-A based epoxy resin for enhanced electrical insulation performance.

  2. Excellent thermal stability and glass transition temperature (Tg) suitable for demanding curing profiles.

  3. Low viscosity in liquid form, enabling easy handling, mixing, and impregnation into complex substrates.

  4. Superior adhesion to metals, ceramics, and composite reinforcements without requiring primers.

  5. Consistent reactivity with standard amine and anhydride hardeners, supporting reproducible processing.

Typical Applications Of Dow DER 353 Epoxy Resin

  1. Electrical encapsulation and potting of transformers, reactors, and high-voltage insulators.

  2. Structural adhesive formulations for aerospace and automotive composites.

  3. Matrix resin for filament-wound pressure vessels and fiber-reinforced laminates.

  4. Insulating varnishes and coil coatings for electric motors and generators.

  5. High-performance casting compounds for precision industrial components.

Specifications Of Dow DER 353 Epoxy Resin

Chemical TypeBisphenol-A epoxy resin
Product FormClear, pale yellow liquid
AppearanceTransparent, low-viscosity liquid at 25°C
Epoxy Equivalent Weight (EEW)185–192 g/eq
Viscosity (25°C)12,000–16,000 cP
Chloride Content< 500 ppm
Softening PointNot applicable (liquid at room temperature)
Primary ApplicationsElectrical insulation, structural composites, high-performance adhesives


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