Solvay CYCOM® 977-3 Epoxy - Unidirectional Carbon Fiber Tape

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Solvay CYCOM® 977-3 Epoxy - Unidirectional Carbon Fiber Tape
Categories:	Polymer; Thermoset; Carbon Fiber/Thermoset Composite; Epoxy; Epoxy/Carbon Fiber Composite
Material Notes:	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 Unidirectional Tape with IM7 12K Intermediate Modulus Carbon Fiber [40 msi (276 GPa)]. Information provided by Cytec, subsequently acquired by Solvay.
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Mechanical Properties	Metric	English	Comments

Tensile Strength	2.51 MPa @Temperature 24.0 °C	364 psi @Temperature 75.2 °F	0°
Elongation at Break	1.46 %	1.46 %	0°
Tensile Modulus	162 GPa @Temperature 24.0 °C	23500 ksi @Temperature 75.2 °F	0°
Flexural Strength	1120 MPa @Temperature 121 °C	162000 psi @Temperature 250 °F	0°, wet
	1770 MPa @Temperature 24.0 °C	256000 psi @Temperature 75.2 °F	0°
Flexural Modulus	146 GPa @Temperature 121 °C	21200 ksi @Temperature 250 °F	0°, wet
	150 GPa @Temperature 24.0 °C	21800 ksi @Temperature 75.2 °F	0°, Note 2
Compressive Strength	193.1 MPa @Temperature 24.0 °C	28010 psi @Temperature 75.2 °F	After 270 in-lb Impact
	1344 MPa @Temperature 121 °C	194900 psi @Temperature 250 °F	0°, wet
	1682 MPa @Temperature 24.0 °C	244000 psi @Temperature 75.2 °F	RDS, 10°C/minute)
Compressive Modulus	146 GPa @Temperature 121 °C	21200 ksi @Temperature 250 °F	0°, wet
	154 GPa @Temperature 24.0 °C	22300 ksi @Temperature 75.2 °F	0°
Shear Strength	78.6 MPa @Temperature 121 °C	11400 psi @Temperature 250 °F	0° Interlaminar, wet
	128 MPa @Temperature 24.0 °C	18500 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	178 °C	352 °F	G'
	189 °C	372 °F	G"
	190 °C	374 °F	Tan Delta

Processing Properties	Metric	English	Comments
Processing Temperature	177 °C	350 °F	Cure
Shelf Life	0.630 Month @Temperature 22.2 °C	0.630 Month @Temperature 72.0 °F
	12.0 Month @Temperature -17.8 °C	12.0 Month @Temperature 0.000 °F

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.

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PCYTED091b / 234747

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