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Elmet Technologies

Park Aerospace Nelcote® V-376 Cyanate Ester Epoxy Prepregs, 4503 Quartz 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 <= 1.5 %<= 1.5 %
Water Absorption 0.67 %0.67 %by weight; 14 day soak at 160°F
Thickness 0.254 microns0.0100 milcured laminate, per ply
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield  490 MPa
@Temperature 149 °C
71000 psi
@Temperature 300 °F
0° Direction, Wet; ASTM D638
 662 MPa
@Temperature 23.9 °C
96000 psi
@Temperature 75.0 °F
0° Direction, Dry; ASTM D638
Tensile Modulus  22.8 GPa
@Temperature 149 °C
3300 ksi
@Temperature 300 °F
Wet; ASTM D638
 24.8 GPa
@Temperature 23.9 °C
3600 ksi
@Temperature 75.0 °F
Dry; ASTM D638
Flexural Strength 710 MPa
@Temperature 23.9 °C
103000 psi
@Temperature 75.0 °F
0° Direction, Dry; ASTM D790
Flexural Modulus 23.4 GPa
@Temperature 23.9 °C
3400 ksi
@Temperature 75.0 °F
0° Direction, Dry; ASTM D790
Compressive Strength  317 MPa
@Temperature 149 °C
46000 psi
@Temperature 300 °F
Wet; ASTM D695
 400 MPa
@Temperature 149 °C
58000 psi
@Temperature 300 °F
Dry; ASTM D695
 476 MPa
@Temperature 23.9 °C
69000 psi
@Temperature 75.0 °F
Dry; ASTM D695
Compressive Modulus  24.8 GPa
@Temperature 23.9 °C
3600 ksi
@Temperature 75.0 °F
Dry; ASTM D695
 24.8 GPa
@Temperature 149 °C
3600 ksi
@Temperature 300 °F
Wet; ASTM D695
 25.5 GPa
@Temperature 149 °C
3700 ksi
@Temperature 300 °F
Dry; ASTM D695
Shear Strength 63.4 MPa
@Temperature 23.9 °C
9200 psi
@Temperature 75.0 °F
Short Beam; Dry; ASTM D2344
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 3.3
@Frequency 9.375e+9 Hz
3.3
@Frequency 9.375e+9 Hz
Dissipation Factor 0.0070
@Frequency 9.375e+9 Hz
0.0070
@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 3.00 - 30.0 min
@Temperature 135 °C
3.00 - 30.0 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)112
Resin Flow (%)13-33325°F, 50psi
Resin Solids Content (%)35-41

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