Solvay CYCOM® 977-3 Epoxy - 5 Harness Satin (5HS) Carbon Fiber Prepreg

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Solvay CYCOM® 977-3 Epoxy - 5 Harness Satin (5HS) Carbon Fiber Prepreg
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 with 5 Harness Satin (5HS) Standard Modulus Carbon Fiber 5HS AS4 6K [33 msi (228 GPa)]. Information provided by Cytec, subsequently acquired by Solvay.
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Mechanical Properties	Metric	English	Comments

Tensile Strength	841 - 1030 MPa @Temperature 24.0 °C	122000 - 150000 psi @Temperature 75.2 °F	0°
Tensile Modulus	64.0 - 72.0 GPa @Temperature 24.0 °C	9280 - 10400 ksi @Temperature 75.2 °F	90°
Shear Strength	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	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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PCYTED091a / 234746

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