Solvay CYCOM® 997 Epoxy - 8 Harness Satin Carbon Fabric Composite

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Solvay CYCOM® 997 Epoxy - 8 Harness Satin Carbon Fabric Composite
Categories:	Polymer; Thermoset; Epoxy; Epoxy/Carbon Fiber Composite
Material Notes:	CYCOM® 997 resin is a controlled flow, 350°F (177°C) curing toughened epoxy resin with 350°F (177°C) dry and 270°F (132°C) wet service temperature capability. CYCOM 997 is formulated for ease of processing with excellent tack and drape. These properties are retained for up to 20 days at room temperature in the prepreg form. The mold life of this material is approximately 30 days. A standard two hour cure at 350°F (177°C) may be used in either an autoclave or press mold. No post cure is required to achieve service temperatures. Features & Benefits: 350°F (177°C) cure Toughened epoxy using thermoplastic toughening mechanisms Controlled flow for ease of processing Used in both laminate and sandwich panels 350°F (177°C) dry service temperature 270°F (132°C) wet service temperature Excellent tack and out time Available in a broad range of fibers Available in a range of forms including unidirectional tape, fabric and fiber placement tape Suggested Applications: Primary and secondary aircraft structures Any application where impact resistance and excellent hot/wet performance is crucial Mechanical property data reported for 997 epoxy reinforced with 8 Harness Satin Fabric, Standard Modulus Carbon Fiber (33Msi/228 GPa). Information provided by Cytec, subsequently acquired by Solvay.
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Mechanical Properties	Metric	English	Comments

Tensile Strength	752 - 910 MPa @Temperature 24.0 °C	109000 - 132000 psi @Temperature 75.2 °F	0°
Tensile Modulus	69.0 - 76.0 GPa @Temperature 24.0 °C	10000 - 11000 ksi @Temperature 75.2 °F	0°
Compressive Strength	517 - 620 MPa @Temperature 93.0 °C	75000 - 89900 psi @Temperature 199 °F	0°, wet
	689 - 910 MPa @Temperature 93.0 °C	99900 - 132000 psi @Temperature 199 °F	0°
	772 - 965 MPa @Temperature 24.0 °C	112000 - 140000 psi @Temperature 75.2 °F	0°
Compressive Modulus	55.0 - 69.0 GPa @Temperature 24.0 °C	7980 - 10000 ksi @Temperature 75.2 °F	0°
	55.0 - 69.0 GPa @Temperature 93.0 °C	7980 - 10000 ksi @Temperature 199 °F	0°, wet
Shear Strength	55.2 - 62.1 MPa @Temperature 93.0 °C	8000 - 9000 psi @Temperature 199 °F	0° Interlaminar, wet
	48.3 - 89.6 MPa @Temperature 93.0 °C	7000 - 13000 psi @Temperature 199 °F	0° Interlaminar
	55.2 - 96.5 MPa @Temperature 24.0 °C	8000 - 14000 psi @Temperature 75.2 °F	0° Interlaminar

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	132 °C	270 °F	wet
	177 °C	351 °F	dry
Glass Transition Temp, Tg	160 °C	320 °F	wet, Neat Resin
	210 °C	410 °F	dry, Neat Resin

Processing Properties	Metric	English	Comments
Processing Temperature	177 °C	350 °F	Cure Temp; no post-cure required

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PCYTED136d / 233611

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