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Rulon Bearings

Park Aerospace Nelcote® V-376 Cyanate Ester Epoxy Prepregs, 7781 E-Glass Reinforced
Categories: Polymer; Thermoset; Epoxy

Material Notes: Nelcote® V-376 is a Cyanate Ester matrix providing excellent electrical and mechanical properties for harsh aircraft, shipboard, and undersea applications for Radomes, Antenna, and Reflectors. Simple processing and good handling characteristics make V-376 an ideal alternative to BMI and polyimide resin systems. GC110 LM qualified specifications.

Key Features and Benefits:

  • Cyanate Ester resin provides outstanding electrical properties (Dk, Df)
  • Excellent Moisture resistance properties
  • Simplified handling and processing characteristics
  • Minimal degradation of mechanical properties in Hot/Wet environments
  • Self-Adhesive to many types of foam and honeycomb core

Applications/Qualifications:

  • Radomes
  • Reflectors
  • Antenna
  • Signature Control

Information provided by Park Electrochemical Corp.

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
Volatiles <= 2.0 %<= 2.0 %
Water Absorption 0.67 %0.67 %by weight; 14 day soak at 160°F
Thickness 0.229 microns0.00900 milcured laminate, per ply
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield  359 MPa
@Temperature 149 °C
52000 psi
@Temperature 300 °F
0° Direction, Dry; ASTM D638
 386 MPa
@Temperature 23.9 °C
56000 psi
@Temperature 75.0 °F
0° Direction, Dry; ASTM D638
Tensile Modulus  21.4 GPa
@Temperature 23.9 °C
3100 ksi
@Temperature 75.0 °F
Dry; ASTM D638
 22.1 GPa
@Temperature 149 °C
3200 ksi
@Temperature 300 °F
Dry; ASTM D638
Flexural Strength  558 MPa
@Temperature 149 °C
81000 psi
@Temperature 300 °F
0° Direction, Dry; ASTM D790
 621 MPa
@Temperature 23.9 °C
90000 psi
@Temperature 75.0 °F
0° Direction, Dry; ASTM D790
Flexural Modulus  21.4 GPa
@Temperature 149 °C
3100 ksi
@Temperature 300 °F
0° Direction, Dry; ASTM D790
 23.4 GPa
@Temperature 23.9 °C
3400 ksi
@Temperature 75.0 °F
0° Direction, Dry; ASTM D790
Compressive Strength  345 MPa
@Temperature 149 °C
50000 psi
@Temperature 300 °F
Dry; ASTM D695
 400 MPa
@Temperature 23.9 °C
58000 psi
@Temperature 75.0 °F
Dry; ASTM D695
Shear Strength  82.0 MPa
@Temperature 149 °C
11900 psi
@Temperature 300 °F
Short Beam; Dry; ASTM D2344
 115 MPa
@Temperature 23.9 °C
16700 psi
@Temperature 75.0 °F
Short Beam; Dry; ASTM D2344
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 4.0
@Frequency 9.375e+9 Hz
4.0
@Frequency 9.375e+9 Hz
Dissipation Factor 0.011
@Frequency 9.375e+9 Hz
0.011
@Frequency 9.375e+9 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear 52.0 µm/m-°C28.9 µin/in-°FZ-Axis
Glass Transition Temp, Tg 148 °C298 °FDMA; without post-cure
 178 °C352 °FDMA; with post-cure
 
Processing PropertiesMetricEnglishComments
Gel Time 0.800 - 2.50 min
@Temperature 135 °C
0.800 - 2.50 min
@Temperature 275 °F
Shelf Life 12.0 Month
@Temperature -17.8 °C
12.0 Month
@Temperature 0.000 °F
 
Descriptive Properties
Fabric Area Weight (g/m²)303
Resin Flow (%)8-28325°F, 50psi
Resin Solids Content (%)36-42

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PPARK077 / 89349

Aluminum Castings

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