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Park Electrochemical Nelcote® V-376 Cyanate Ester Epoxy Prepregs, 7781 E-Glass Reinforced

Category Polymer , Thermoset , Epoxy
Manufacturer Park Electrochemical Corp.
Trade Name Nelcote®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Park Electrochemical Nelcote® V-376 Cyanate Ester Epoxy Prepregs, 7781 E-Glass Reinforced.pdf
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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 propertiesSimplified handling and processing characteristicsMinimal degradation of mechanical properties in Hot/Wet environmentsSelf-Adhesive to many types of foam and honeycomb coreApplications/Qualifications:RadomesReflectorsAntennaSignature ControlInformation provided by Park Electrochemical Corp.
Physical Properties Metric English Comments
Volatiles <= 2.0 %
<= 2.0 %
Water Absorption 0.67 %
0.67 %
by weight; 14 day soak at 160°F
Thickness 0.229 microns
0.00900 mil
cured laminate, per ply
Mechanical Properties Metric English Comments
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
Thermal Properties Metric English Comments
CTE, linear 52.0 µm/m-°C
28.9 µin/in-°F
Z-Axis
Glass Transition Temp, Tg 148 °C
298 °F
DMA; without post-cure
178 °C
352 °F
DMA; with post-cure
Electrical Properties Metric English Comments
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
Processing Properties Metric English Comments
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 Value Comments
Fabric Area Weight (g/m²) 303
Resin Flow (%) 8-28
325°F, 50psi
Resin Solids Content (%) 36-42
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