Solvay CYCOM® 997 Epoxy - Plain Weave Carbon Fabric Composite

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Solvay CYCOM® 997 Epoxy - Plain Weave 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 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 Plain Weave 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	4.00 - 4.41 MPa	580 - 640 psi	Flatwise
	655 - 758 MPa @Temperature -55.0 °C	95000 - 110000 psi @Temperature -67.0 °F	0°
	710 - 855 MPa @Temperature 24.0 °C	103000 - 124000 psi @Temperature 75.2 °F	0°
	793 - 896 MPa @Temperature 93.0 °C	115000 - 130000 psi @Temperature 199 °F	0°
Tensile Modulus	62.0 - 76.0 GPa @Temperature -55.0 °C	8990 - 11000 ksi @Temperature -67.0 °F	0°
	62.0 - 76.0 GPa @Temperature 24.0 °C	8990 - 11000 ksi @Temperature 75.2 °F	0°
	69.0 - 76.0 GPa @Temperature 93.0 °C	10000 - 11000 ksi @Temperature 199 °F	0°
Flexural Strength	379 - 448 MPa	55000 - 65000 psi	Long Beam Bending
Compressive Strength	276 - 331 MPa	40000 - 48000 psi	Orientation [0/45/90/-45], After 960 in-lb/in Impact
	483 - 552 MPa	70100 - 80100 psi	Orientation [0/45/90/-45], Before Impact
	552 - 758 MPa @Temperature 93.0 °C	80100 - 110000 psi @Temperature 199 °F	0°, wet
	710 - 931 MPa @Temperature 93.0 °C	103000 - 135000 psi @Temperature 199 °F	0°
	758 - 1000 MPa @Temperature 24.0 °C	110000 - 145000 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°
	62.0 - 69.0 GPa @Temperature 93.0 °C	8990 - 10000 ksi @Temperature 199 °F	0°, wet
Ultimate Bearing Strength	965 - 1170 MPa	140000 - 170000 psi
Shear Strength	55.2 - 62.1 MPa @Temperature 93.0 °C	8000 - 9000 psi @Temperature 199 °F	0° Interlaminar, wet
	68.9 - 89.6 MPa @Temperature 93.0 °C	10000 - 13000 psi @Temperature 199 °F	0° Interlaminar
	75.8 - 103 MPa @Temperature 24.0 °C	11000 - 15000 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

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PCYTED136b / 233609

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