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

NPC NPCN-704 Epoxy Resin

NPC NPCN-704 Epoxy Resin is a high-performance liquid bisphenol-A epoxy resin from NPC’s NPCN series, offering excellent adhesion, chemical resistance, and low viscosity for composites, coatings, and electrical encapsulation applications. Widely used in aerospace, electronics, and wind energy sectors due to its superior thermal stability and processability.
  • npc npcn 704 epoxy resin_416d1204
  • npc npcn 704 epoxy resin_416d1204

Features Of NPC NPCN-704 Epoxy Resin

  1. High reactivity with amine and anhydride curing agents for rapid gelation and short cycle times.

  2. Excellent adhesion to metals, composites, and cured epoxy substrates without primer.

  3. Low viscosity (12,000–15,000 cP at 25°C) enabling easy processing, impregnation, and air release.

  4. Good chemical resistance to alkalis, solvents, and moderate acids after full cure.

  5. Low volatile organic compound (VOC) content, compliant with industrial environmental safety standards.

Typical Applications Of NPC NPCN-704 Epoxy Resin

  1. Structural adhesive formulations for aerospace composite bonding and metal-to-composite joints.

  2. Matrix resin in filament-wound pressure vessels and high-pressure composite tanks.

  3. Encapsulation and potting of high-voltage electrical components and power electronics.

  4. Prepreg systems requiring low-temperature cure capability and high Tg retention.

  5. Repair and refurbishment resins for wind turbine blade leading-edge protection.

Specifications Of NPC NPCN-704 Epoxy Resin

Chemical TypeBisphenol-F based liquid epoxy resin
Product FormClear to pale yellow viscous liquid
AppearanceHomogeneous, transparent, free from gels or sediment
Epoxy Equivalent Weight (EEW)180–190 g/eq
Viscosity (25°C)12,000–15,000 cP
Chloride Content≤ 500 ppm
Volatiles Content≤ 0.3 wt%
Storage Stability12 months at 20–25°C in sealed original container


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