EP5G-80 Graphite Filled Epoxy


The EP5G-80 Graphite Filled Epoxy is a one component, NASA low outgassing rated epoxy, with a moderate temperature cure requirement of 176°F (80°C) for four hours. This compound is not premixed and frozen and has an unlimited working life at room temperature. It offers electrical conductivity with a volume resistivity of 5-15 ohm-cm and a thermal conductivity of 2.88-3.46 W/(m•K) at room temperature. It does not need elevated heat to fully cure.


For a conductive system, EP5G-80 provides an especially high Tg of around 266 to 284°F (130 to 140°C) and a tensile modulus that exceeds 1,000,000 psi at room temperature. It is serviceable over the temperature range of -58 to +347°F (-50 to +175°C) and has a low coefficient of thermal expansion. Suitable for bonding, sealing, and coating, it adheres well to a variety of substrates such as metals, composites, ceramics, and many plastics. This formulation features a good lubricity and can be employed for static dissipation and EMI/RFI shielding applications. It is black in color and RoHS compliant. Packaging is available in syringes, jar, and pint containers.


  • Good electrical and thermal conductivity
  • Thixotropic paste
  • Not premixed and frozen
  • NASA low outgassing
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