| CYCOM® 977-2 is a 350°F (177°C) curing toughened epoxy resin with a 260 – 280°F (126 – 138°C) dry and 220°F (104°C) wet service capability. CYCOM 977-2 is formulated for autoclave or press molding. Unidirectional tape and woven fabric impregnated with CYCOM 977-2 resin will retain tack for at least 10 days at 72°F (22°C) and has a long mechanical out life suitable for fabrication of large structures. The recommended lay-up procedure for this material is L-15. The recommended cure is C-50. Features & Benefits: - Toughened epoxy using Cytec Engineered Materials’ proprietary “co-continuous” morphology
- 350°F (177°C) cure
- Available in a broad range of fibers and forms including tape, fabric and roving
- Excellent impact resistance
- Controlled flow
- 260 – 280°F (126 – 138°C) dry and 220°F (104°C) wet service temperature
- Autoclave or press mold processing
- Shelf life of 12 months at 0°F (-18°C), 42 days at 72°F (22°C)
Applications: - Aircraft primary and secondary structure
- Space structure
- Ballistics
- Cryogenic tanks
- Any application where impact resistance and light weight are required
Mechanical property data per BMS 8-276 for epoxy laminate with 57-63% fiber volume Intermediate Modulus [40 msi (276 GPa) Class] Carbon Fiber Reinforced Unidirectional Tape. 'Wet' property data after 7 day water immersion at 165°F (74°C).Information provided by Cytec, subsequently acquired by Solvay. |
