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Elmet Technologies

Solvay CYCOM® 985 Epoxy + Carbon Fabric 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 14 ply laminate with 57% fiber volume Carbon Fabric 3K70 PW

Information provided by Cytec, subsequently acquired by Solvay.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.55 g/cc1.55 g/cc
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength 765 MPa
@Temperature 24.0 °C		111000 psi
@Temperature 75.2 °F		90°, 20 ply
Tensile Modulus  57.0 GPa
@Temperature 177 °C		8270 ksi
@Temperature 351 °F		0°
 59.0 GPa
@Temperature 132 °C		8560 ksi
@Temperature 270 °F		0°
 59.0 GPa
@Temperature 24.0 °C		8560 ksi
@Temperature 75.2 °F		0°
 60.0 GPa
@Temperature 71.0 °C		8700 ksi
@Temperature 160 °F		0°
Compressive Strength  635 MPa
@Temperature -54.0 °C		92100 psi
@Temperature -65.2 °F
 644 MPa
@Temperature 24.0 °C		93400 psi
@Temperature 75.2 °F		Wet
 724 MPa
@Temperature 71.0 °C		105000 psi
@Temperature 160 °F
 848 MPa
@Temperature 24.0 °C		123000 psi
@Temperature 75.2 °F
Compressive Modulus  59.0 GPa
@Temperature -54.0 °C		8560 ksi
@Temperature -65.2 °F
 59.0 GPa
@Temperature 71.0 °C		8560 ksi
@Temperature 160 °F
 59.0 GPa
@Temperature 132 °C		8560 ksi
@Temperature 270 °F
 61.0 GPa
@Temperature 24.0 °C		8850 ksi
@Temperature 75.2 °F
Shear Strength  6.89 MPa
@Temperature 24.0 °C		1000 psi
@Temperature 75.2 °F		Short Beam
 55.8 MPa
@Temperature 132 °C		8100 psi
@Temperature 270 °F		Short Beam
 62.1 MPa
@Temperature 71.0 °C		9000 psi
@Temperature 160 °F		Short Beam
 95.8 MPa
@Temperature -54.0 °C		13900 psi
@Temperature -65.2 °F		Short Beam
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 149 °C300 °F
 
Processing PropertiesMetricEnglishComments
Processing Temperature 177 °C
@Time 7200 sec		350 °F
@Time 2.00 hour		Cure
Shelf Life 6.00 Month
@Temperature -17.8 °C		6.00 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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PCYTED092c / 234741




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