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

NPC NPES-301 Solid Epoxy Resin

NPC NPES-301 Solid Epoxy Resin is a high-purity, bisphenol-A-based solid epoxy resin from NPC’s NPES series. Featuring low chloride content, excellent thermal stability, and superior mechanical strength, it’s widely used in composites, electrical encapsulation, and powder coatings. Its consistent molecular weight distribution ensures reliable reactivity and processing performance in demanding industrial applications.
  • npc npes 301 solid epoxy resin_a26d1d27
  • npc npes 301 solid epoxy resin_a26d1d27

Features Of NPC NPES-301 Solid Epoxy Resin

  1. High-purity bisphenol-A based solid epoxy resin with consistent molecular weight distribution.

  2. Excellent thermal stability and low volatility, suitable for high-temperature processing environments.

  3. Superior adhesion to metals, glass, and composite substrates without requiring surface priming.

  4. Low chlorine content (< 800 ppm), ensuring enhanced electrical insulation performance and reduced corrosion risk.

  5. Free-flowing granular form enabling precise metering and uniform dispersion in compound formulations.

Typical Applications Of NPC NPES-301 Solid Epoxy Resin

  1. Electrical encapsulation and potting compounds for transformers, sensors, and power modules.

  2. High-performance prepregs and laminates in printed circuit board (PCB) manufacturing.

  3. Structural adhesives for aerospace and automotive bonding applications.

  4. Composite matrix resins for carbon fiber reinforced polymer (CFRP) components.

  5. Coating systems requiring chemical resistance and mechanical durability in industrial equipment.

Specifications Of NPC NPES-301 Solid Epoxy Resin

Chemical TypeBisphenol-A epoxy resin
Product FormFree-flowing off-white granules
AppearanceUniform granular solid, no visible impurities
Epoxy Equivalent Weight (EEW)475–495 g/eq
Melting Point85–92 °C
Softening Point88–95 °C (ring-and-ball method)
Chlorine Content≤ 800 ppm
Volatiles (150 °C, 2 h)≤ 0.3 wt%


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