Solvay CYCOM® 985 Epoxy + Carbon Uni-Tape Laminate

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Solvay CYCOM® 985 Epoxy + Carbon Uni-Tape Laminate
Categories:	Polymer; Thermoset; Carbon Fiber/Thermoset Composite; Epoxy; Epoxy/Carbon Fiber Composite
Material Notes:	CYCOM® 985 is a 350°F (177°C) curing epoxy resin system. CYCOM 985 is designed for use where a balance of performance and processing characteristics is required. It has excellent structural performance and good impact resistance. CYCOM 985 is co-curable with structural adhesives and will produce outstanding thin-skinned sandwich structures. CYCOM 985 allows thick section construction without exotherm problems. Optimum properties are achieved by curing under autoclave pressure from 45 to 100 psi (as appropriate to panel configuration) at 350°F (177°C) for two hours. CYCOM 985 prepregs have good tack and drape and an out-time of two weeks at room temperature. Features & Benefits: Modified epoxy system Excellent hot/wet strength retention 350°F (177°C) cure Good impact resistance 300°F (149°C) service temperature Controlled flow Ease of processing Good tack and drape 14 day shop life Shelf life of 6 months at 0°F (-18°C) Applications: Primary and secondary aircraft structures Mechanical property data for 985 epoxy with 8 ply laminate with 56% fiber volume Carbon Uni-Tape 145 gsm Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Original Value	Comments

Specific Gravity	1.54 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength	287200 psi	0°
	4900 psi @Temperature 132 °C	90°, 20 ply
	5300 psi @Temperature 71.0 °C	90°, 20 ply
	5800 psi @Temperature 24.0 °C	90°, 20 ply
	6100 psi @Temperature -54.0 °C	90°, 20 ply
Tensile Modulus	6.20 GPa @Temperature 132 °C	90°, 20 ply
	6.90 GPa @Temperature 71.0 °C	90°, 20 ply
	8.30 GPa @Temperature 24.0 °C	90°, 20 ply
	9.70 GPa @Temperature -54.0 °C	90°, 20 ply
	121 GPa @Temperature -54.0 °C	0°
	128 GPa @Temperature 24.0 °C	0°
	129 GPa @Temperature 71.0 °C	0°
	133 GPa @Temperature 132 °C	0°
Compressive Strength	1172 MPa @Temperature 71.0 °C
	1207 MPa @Temperature 24.0 °C	Wet
	1241 MPa @Temperature 24.0 °C
	1275 MPa @Temperature -54.0 °C
Compressive Modulus	121000 MPa @Temperature 132 °C
	123000 MPa @Temperature 71.0 °C
	124000 MPa @Temperature -54.0 °C
	124000 MPa @Temperature 24.0 °C
Shear Strength	6300 psi @Temperature 132 °C	Short Beam, wet
	8800 psi @Temperature 132 °C	Short Beam
	9000 psi @Temperature 71.0 °C	Short Beam, wet
	10900 psi @Temperature 24.0 °C	Short Beam, wet
	11500 psi @Temperature 71.0 °C	Short Beam
	17000 psi @Temperature 24.0 °C	Short Beam
	17400 psi @Temperature -54.0 °C	Short Beam

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	149 °C

Processing Properties	Original Value	Comments
Processing Temperature	350 °F @Time 7200 sec	Cure
Shelf Life	6.00 Month @Temperature -17.8 °C

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 go back to viewing the property data in MatWeb's normal format.

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PCYTED092b / 234740

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