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

HP4700 Epoxy Resin

HP4700 Epoxy Resin is a high-performance, low-viscosity, brominated flame-retardant epoxy resin from Hexion’s HP Series—designed for demanding electrical laminates and PCB applications requiring UL94 V-0 rating, thermal stability, and excellent adhesion. It enables superior copper foil bonding, low ionic contamination, and consistent processability in multilayer board manufacturing.
  • hp4700 epoxy resin_c311b461
  • hp4700 epoxy resin_c311b461

Features Of HP4700 Epoxy Resin

  1. High thermal stability with glass transition temperature (Tg) up to 180 °C after full cure.

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

  3. Low viscosity (8,000–12,000 cP at 25 °C) enabling easy processing and superior wetting of reinforcements.

  4. Outstanding electrical insulation properties, including high dielectric strength (>20 kV/mm) and volume resistivity (>1 × 10¹⁴ Ω·cm).

  5. Formulated for extended pot life (≥6 hours at 25 °C) without compromising final mechanical performance.

Typical Applications Of HP4700 Epoxy Resin

  1. High-reliability encapsulation of power electronics and IGBT modules.

  2. Structural bonding and potting in aerospace avionics housings.

  3. Insulating coatings for high-voltage busbars and transformer components.

  4. Matrix resin for carbon fiber composites in demanding industrial tooling.

  5. Casting and impregnation of high-performance electromagnetic shielding assemblies.

Specifications Of HP4700 Epoxy Resin

Chemical TypeDiglycidyl ether of bisphenol-F (DGEBF) based epoxy resin
Product FormClear to pale amber viscous liquid
AppearanceHomogeneous, low-gel, particle-free liquid
Epoxide Equivalent Weight (EEW)165–175 g/eq
Viscosity (25 °C)9,500–11,500 cP
Volatiles Content<0.3 wt%
Chloride Content<500 ppm
Storage Stability12 months at ≤25 °C in unopened original container


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