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. CYCOM 977-3 is 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. Features & Benefits: - 350°F (177°C) cure
- Available on fabric and tape
- 350°F (177°C) dry service temperature
- 270°F (132°C) wet service temperature
- Laminate and sandwich panel usage
- Autoclave or press mold processing
- Toughened epoxy using proprietary “cocontinuous”morphology
- Impact resistance
- Shelf life of 12 months at 0°F (-18°C), 21 days at 72°F (22°C)
Applications: - Aircraft primary and secondary structure
- Applications where impact resistance is critical
- Applications where hot/wet performance is crucial
Mechanical property data for 977-3 epoxy with 5 Harness Satin (5HS) Standard Modulus Carbon Fiber 5HS AS4 6K [33 msi (228 GPa)].Information provided by Cytec, subsequently acquired by Solvay. |