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

Dow DER 383 Epoxy Resin

Dow DER 383 is a liquid bisphenol-A epoxy resin from Dow’s DER™ series offering low viscosity high purity and excellent adhesion for composites coatings and electrical encapsulation applications. It delivers superior chemical resistance thermal stability and reliable crosslinking with amines or anhydrides ensuring consistent performance in demanding industrial formulations.
  • dow der 383 epoxy resin_69a274bb
  • dow der 383 epoxy resin_69a274bb

Features Of Dow DER 383 Epoxy Resin

  1. High-purity, low-chloride bisphenol-A based liquid epoxy resin with excellent hydrolytic stability.

  2. Optimized molecular weight distribution for balanced reactivity and low viscosity processing.

  3. Consistent batch-to-batch performance validated through rigorous quality control per ASTM D1767.

  4. Low volatile organic compound (VOC) content, supporting industrial compliance with environmental regulations.

  5. Enhanced compatibility with common amine and anhydride curing agents for broad formulation flexibility.

Typical Applications Of Dow DER 383 Epoxy Resin

  1. Electrical encapsulation and potting compounds for transformers, capacitors, and sensors.

  2. High-performance composite matrices in aerospace and wind energy blade manufacturing.

  3. Structural adhesives requiring thermal resistance and long-term durability.

  4. Coatings for metal substrates demanding corrosion protection and chemical resistance.

  5. Prepreg systems for advanced carbon fiber reinforced polymer (CFRP) laminates.

Specifications Of Dow DER 383 Epoxy Resin

Chemical TypeBisphenol-A diglycidyl ether (DGEBA) epoxy resin
Product FormClear, low-viscosity liquid
AppearanceWater-white to pale yellow, transparent
Epoxy Equivalent Weight (EEW)185–192 g/eq
Viscosity at 25°C12,000–16,000 cP
Chlorine Content≤ 800 ppm
Volatiles Content≤ 0.3 wt%
Primary ApplicationsEncapsulation, composites, adhesives, coatings


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *