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

NPC NPES-903 Solid Epoxy Resin

NPCNPES-903SolidEpoxyResinisahigh-performancebrominatedbisphenol-AepoxyresinfromNPC’sNPESseries,offeringexcellentflameretardancy,thermalstability,andadhesionforprintedcircuitboards,encapsulation,andelectricalinsulationapplications.Itfeatureslowviscosity,goodprocessability,andUL94V-0rating.
  • npc npes 903 solid epoxy resin_0a8d45c9
  • npc npes 903 solid epoxy resin_0a8d45c9

Features Of NPC NPES-903 Solid Epoxy Resin

  1. High purity solid epoxy resin with consistent molecular weight distribution.

  2. Excellent thermal stability and low volatility for safe high-temperature processing.

  3. Superior compatibility with common curing agents including amines and anhydrides.

  4. Low chloride content (< 500 ppm) ensuring enhanced electrical insulation performance.

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

Typical Applications Of NPC NPES-903 Solid Epoxy Resin

  1. Electrical encapsulation compounds for power modules and high-voltage insulators.

  2. High-performance powder coatings for automotive under-hood components.

  3. Structural adhesives requiring elevated heat resistance and dimensional stability.

  4. Prepregs and laminates in printed circuit board (PCB) base materials.

  5. Composite matrices for aerospace and wind turbine blade applications.

Specifications Of NPC NPES-903 Solid Epoxy Resin

Chemical TypeBisphenol-A based solid epoxy resin
Product FormFree-flowing off-white granules
AppearanceUniform granular solid, no visible impurities
Epoxy Equivalent Weight (EEW)470–490 g/eq
Melting Point85–92 °C
Softening Point80–86 °C
Chloride Content≤ 500 ppm
Volatiles (150 °C, 2 h)≤ 0.3 wt%


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