FM® 680 is an aluminum filled, condensation-type polyimide supported on a fiberglass cloth. It is suitable for bonding titanium, stainless steel and cured polyimide composites structures. FM 680 can also be used for co-cure applications with high temperature composite materials.
For priming prepared metal surface, BR® 680 adhesive primer is recommended.

FEATURES & BENEFITS (371°C) service temperature
350°F (177°C) processing with elevated post-cure
Superior thermal oxidative stability
Condensation-type polyimide
Co-curable with Avimid® N and other polyimide composite materials
Does not contain methylene dianiline (MDA)

Titanium bonding
Stainless steel bonding
Polyimide composite bonding


  • Brand


Segments Applications
Airframe Secondary structural materials | Primary structural materials

Chemical categories

Chemical category Chemical family Chemical product
Composites Thermoset Polyimide

Region of commercial availability

  • Asia / Pacific
  • Europe / Middle East / Africa
  • North America
  • Latin America

Download documentation for FM 680