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)