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

ECN1280 Cresol Formaldehyde Epoxy Resin

ECN1280 is a cresol-formaldehyde-based epoxy resin from the ECN series by DIC Corporation, offering high thermal stability, excellent chemical resistance, and superior adhesion for demanding electronic encapsulation and aerospace composites applications.
  • ecn1280 cresol formaldehyde epoxy resin_debc981b
  • ecn1280 cresol formaldehyde epoxy resin_debc981b

Features Of ECN1280 Cresol Formaldehyde Epoxy Resin

  1. High thermal stability with glass transition temperature (Tg) exceeding 170 °C after full curing.

  2. Excellent chemical resistance to acids, alkalis, and solvents in harsh industrial environments.

  3. Superior electrical insulation properties, ideal for high-reliability electronic encapsulation.

  4. Low ionic impurity content, minimizing risk of electrochemical migration in microelectronic applications.

  5. Good adhesion to copper, ceramic, and FR-4 substrates without requiring specialized primers.

Typical Applications Of ECN1280 Cresol Formaldehyde Epoxy Resin

  1. Encapsulation and molding compounds for semiconductor devices (e.g., ICs, power modules).

  2. Underfill materials for flip-chip and CSP (chip-scale package) interconnects.

  3. Die-attach adhesives in high-power LED and automotive electronics assemblies.

  4. Matrix resin in high-performance prepregs for aerospace-grade laminates.

  5. Electrical potting compounds for transformers, sensors, and high-voltage connectors.

Specifications Of ECN1280 Cresol Formaldehyde Epoxy Resin

Chemical TypeCresol-formaldehyde novolac epoxy resin
Product FormPale yellow to amber solid pellets or flakes
AppearanceFree-flowing, homogeneous granules; no visible foreign particles
Epoxy Equivalent Weight (EEW)190–210 g/eq
Melting Point85–95 °C
Softening Point80–90 °C (ring-and-ball method)
Chlorine Content≤ 300 ppm
Volatiles Content≤ 0.3 wt% (at 150 °C, 2 hrs)


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