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

EPN1183 Phenolic Epoxy Resin

EPN1183 is a high-performance phenolic epoxy resin from the EPN series by Hexion, featuring excellent thermal stability, chemical resistance, and adhesion to metals and composites. Widely used in aerospace composites, electrical laminates, and high-end coatings, it offers superior char yield and flame retardancy versus standard bisphenol-A epoxies.
  • epn1183 phenolic epoxy resin_c26afeed
  • epn1183 phenolic epoxy resin_c26afeed

Features Of EPN1183 Phenolic Epoxy Resin

  1. High thermal stability with glass transition temperature (Tg) exceeding 160 °C after full cure.

  2. Exceptional chemical resistance to strong acids, alkalis, and solvents in demanding industrial environments.

  3. Low viscosity in liquid form enables excellent processability for filament winding, impregnation, and casting.

  4. Superior adhesion to metals, carbon fiber, and ceramic substrates without requiring specialized primers.

  5. Halogen-free formulation compliant with RoHS and REACH regulatory requirements.

Typical Applications Of EPN1183 Phenolic Epoxy Resin

  1. Aerospace composite tooling and autoclave-molded structural components.

  2. High-voltage electrical insulation systems, including bushings and transformer housings.

  3. Industrial tank linings and corrosion-resistant piping for chemical processing plants.

  4. High-performance printed circuit board (PCB) laminates requiring low CTE and high flame retardancy.

  5. Advanced wind turbine blade root joints and spar cap bonding adhesives.

Specifications Of EPN1183 Phenolic Epoxy Resin

Chemical TypePhenolic epoxy novolac resin
Product FormLight amber viscous liquid
AppearanceClear to slightly hazy, homogeneous liquid
Epoxy Equivalent Weight (EEW)170–190 g/eq
Viscosity at 25 °C8,000–12,000 mPa·s
Softening Point45–55 °C
Chlorine Content< 800 ppm
Storage Stability12 months at < 25 °C in sealed containers


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