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

GY289 Phenolic Epoxy Resin

GY289 Phenolic Epoxy Resin is a high-performance thermosetting polymer from GY Series by Guangdong Yuhua Chemical. Featuring excellent thermal stability, chemical resistance and adhesion, it’s widely used in aerospace composites, electronic encapsulants and high-end coatings. Its phenolic-modified epoxy structure delivers superior char yield and flame retardancy versus standard bisphenol-A epoxies.
  • gy289 phenolic epoxy resin_c25ce8bb
  • gy289 phenolic epoxy resin_c25ce8bb

Features Of GY289 Phenolic Epoxy Resin

  1. High thermal stability with continuous service temperature up to 180 °C.

  2. Excellent chemical resistance to acids, alkalis, and organic solvents.

  3. Superior adhesion to metals, composites, and cured epoxy substrates.

  4. Low viscosity for improved processability in casting, impregnation, and coating applications.

  5. Enhanced flame retardancy without halogenated additives (UL94 V-0 rated when formulated).

Typical Applications Of GY289 Phenolic Epoxy Resin

  1. High-performance electrical insulation systems for transformers and busbars.

  2. Structural adhesives in aerospace and rail transportation components.

  3. Thermal management encapsulants for power electronics and EV battery modules.

  4. High-temperature composite matrix resin for carbon fiber prepregs.

  5. Corrosion-resistant lining materials for chemical processing equipment.

Specifications Of GY289 Phenolic Epoxy Resin

Chemical TypePhenolic-modified bisphenol-F epoxy resin
Product FormAmber to light brown viscous liquid
AppearanceClear, homogeneous liquid at 25 °C
Epoxy Equivalent Weight (EEW)175–185 g/eq
Viscosity (25 °C)8,000–12,000 mPa·s
Softening PointNot applicable (liquid at room temperature)
Key FeaturesHigh Tg, low ionic chloride, halogen-free formulation
Primary ApplicationsElectrical insulation, structural composites, high-temp adhesives


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