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

ADEKA Epoxy Resin

ADEKA Epoxy Resin EP-4000 series is a high-performance liquid bisphenol-A epoxy resin offering excellent adhesion thermal stability and electrical insulation widely used in composites coatings and electronic encapsulation applications.
  • adeka epoxy resin_af3fe46c
  • adeka epoxy resin_af3fe46c

Features Of ADEKA Epoxy Resin

  1. High thermal stability with glass transition temperatures (Tg) up to 180 °C after post-curing.

  2. Excellent chemical resistance to acids, alkalis, and solvents in cured form.

  3. Low viscosity and superior flow characteristics for enhanced impregnation and void-free processing.

  4. Outstanding adhesion to metals, composites, and engineered plastics without primer requirement.

  5. Low ionic impurity content, ensuring high electrical insulation performance and reliability in microelectronics.

Typical Applications Of ADEKA Epoxy Resin

  1. Underfill and glob-top encapsulants for flip-chip and CSP semiconductor packaging.

  2. Matrix resin for high-performance carbon fiber reinforced polymer (CFRP) aerospace components.

  3. Electrical potting and encapsulation of power electronics, transformers, and EV battery modules.

  4. Structural adhesives in automotive lightweighting applications, including aluminum and mixed-material bonding.

  5. UV/thermal dual-cure coatings for precision optical and medical device assemblies.

Specifications Of ADEKA Epoxy Resin

Chemical TypeDiglycidyl ether of bisphenol-A (DGEBA) and advanced cycloaliphatic epoxy blends
Product FormLiquid, one-component or two-component systems (depending on grade)
AppearanceClear to pale yellow transparent liquid
Primary ApplicationsElectronic encapsulation, structural composites, high-reliability adhesives
Key FeaturesLow halogen content, high Tg, low shrinkage, excellent dielectric strength
BenefitsReduced moisture absorption, improved long-term aging resistance, RoHS and REACH compliant
Storage ConditionsStore at 5–25 °C in sealed containers; protect from moisture and direct sunlight
Shelf Life12 months from date of manufacture when stored as recommended


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