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Rulon Bearings

Solvay CYCOM® 985 Epoxy + Glass Fabric Laminate
Categories: Polymer; Thermoset; Epoxy; Epoxy/Glass SMC

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 10 ply laminate with 48% fiber volume Glass Fabric 7781.

Information provided by Cytec, subsequently acquired by Solvay.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.89 g/cc1.89 g/cc
 
Mechanical PropertiesMetricEnglishComments
Tensile Modulus  21.0 GPa
@Temperature 177 °C
3050 ksi
@Temperature 351 °F
 26.0 GPa
@Temperature 24.0 °C
3770 ksi
@Temperature 75.2 °F
Compressive Strength 593 MPa
@Temperature 24.0 °C
86000 psi
@Temperature 75.2 °F
Compressive Modulus  21.0 GPa
@Temperature 177 °C
3050 ksi
@Temperature 351 °F
 26.0 GPa
@Temperature 24.0 °C
3770 ksi
@Temperature 75.2 °F
Shear Strength  25.5 MPa
@Temperature 177 °C
3700 psi
@Temperature 351 °F
Short Beam
 51.7 MPa
@Temperature 132 °C
7500 psi
@Temperature 270 °F
Short Beam
 61.4 MPa
@Temperature 71.0 °C
8900 psi
@Temperature 160 °F
Short Beam
 73.1 MPa
@Temperature 24.0 °C
10600 psi
@Temperature 75.2 °F
Short Beam
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 149 °C300 °F
 
Processing PropertiesMetricEnglishComments
Processing Temperature 177 °C
@Time 5400 sec
350 °F
@Time 1.50 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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PCYTED092d / 234742

Aluminum Castings

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