CYCOM® 977-3 is a 350°F (177°C) curing resin. It is a toughened epoxy resin with 350°F (177°C) dry and 270°F (132°C) wet service capability formulated for autoclave or press molding and can be cured at 350°F (177°C) for six hours. Unidirectional tape and woven fabric impregnated with CYCOM® 977-3 resin will retain tack for 21 days at 72°F (22°C). It has a long mechanical out life suitable for fabrication of large structures. Type: thermoset composite | Temp: service temp < 320F | Process: autoclave | CAI KSI: medium | OHC Wet: high | TG Wet: 330 (165) | Proc Temp: 350 (177)


  • Global Business Unit
    Composite Materials
  • Brand


Segments Applications
Airframe Secondary structural materials | Primary structural materials

Chemical categories

Chemical category Chemical family Chemical product
Composites Thermoset Epoxy

Region of commercial availability

  • Europe / Middle East / Africa
  • North America

Download documentation for CYCOM 977-3