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

ADEKA EP-4000S Epoxy Resin

ADEKA EP-4000S Epoxy Resin is a high-performance, low-viscosity liquid epoxy resin from ADEKA’s EP series, designed for demanding composite and encapsulation applications. It offers excellent adhesion, thermal stability, and mechanical strength with low shrinkage and superior electrical insulation properties—ideal for aerospace, electronics, and wind energy systems.
  • adeka ep 4000s epoxy resin_73e21b40
  • adeka ep 4000s epoxy resin_73e21b40

Features Of ADEKA EP-4000S Epoxy Resin

  1. Highly reactive liquid epoxy resin with excellent compatibility with standard amine and anhydride curing agents.

  2. Low viscosity enables easy processing, improved wetting of fillers and reinforcements, and enhanced flow in casting and impregnation applications.

  3. Offers superior thermal stability and mechanical strength after curing, suitable for demanding structural and electrical insulation uses.

  4. Low volatile organic compound (VOC) content, supporting environmentally responsible manufacturing practices.

  5. Consistent batch-to-batch quality ensured through rigorous in-house QC and ISO-certified production.

Typical Applications Of ADEKA EP-4000S Epoxy Resin

  1. Electrical insulating varnishes for motors, transformers, and generators.

  2. Encapsulants and potting compounds for power electronics and high-voltage components.

  3. Structural adhesives in automotive and aerospace composite bonding.

  4. Reinforced polymer matrix resins for filament-wound pressure vessels and pultruded profiles.

  5. High-performance coatings for corrosion-resistant industrial linings and marine equipment.

Specifications Of ADEKA EP-4000S Epoxy Resin

Chemical TypeDiglycidyl ether of bisphenol-A (DGEBA)
Product FormClear to pale yellow low-viscosity liquid
AppearanceTransparent, slightly viscous liquid at 25°C
Epoxy Equivalent Weight (EEW)185–195 g/eq
Viscosity (25°C)12,000–16,000 mPa·s
Chlorine Content≤ 700 ppm
Volatility (150°C, 2 h)≤ 0.5 wt%
Storage Stability≥ 12 months at 5–30°C in sealed container


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