Park Aerospace Nelcote® V-376 Cyanate Ester Epoxy Prepregs, 581 Quartz Reinforced

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Park Aerospace Nelcote® V-376 Cyanate Ester Epoxy Prepregs, 581 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.
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Physical Properties	Original Value	Comments

Volatiles	<= 2.0 %
Water Absorption	0.67 %	by weight; 14 day soak at 160°F
Thickness	0.0110 mil	cured laminate, per ply

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	61000 psi @Temperature 204 °C	0° Direction, Dry; ASTM D638
	70000 psi @Temperature 82.2 °C	0° Direction, Wet; ASTM D638
	94000 psi @Temperature 149 °C	0° Direction, Dry; ASTM D638
	100000 psi @Temperature 23.9 °C	0° Direction, Dry; ASTM D638
Tensile Modulus	3200 ksi @Temperature 82.2 °C	Wet; ASTM D638
	3600 ksi @Temperature 204 °C	Dry; ASTM D638
	3800 ksi @Temperature 23.9 °C	Dry; ASTM D638
	4000 ksi @Temperature 149 °C	Dry; ASTM D638
Flexural Strength	42.0 ksi @Temperature 204 °C	0° Direction, Dry; ASTM D790
	75.0 ksi @Temperature 149 °C	0° Direction, Dry; ASTM D790
	85.0 ksi @Temperature 82.2 °C	0° Direction, Wet; ASTM D790
	110 ksi @Temperature 23.9 °C	0° Direction, Dry; ASTM D790
Flexural Modulus	2400 ksi @Temperature 204 °C	0° Direction, Dry; ASTM D790
	3200 ksi @Temperature 149 °C	0° Direction, Dry; ASTM D790
	3600 ksi @Temperature 23.9 °C	0° Direction, Dry; ASTM D790
	3600 ksi @Temperature 82.2 °C	0° Direction, Wet; ASTM D790
Compressive Strength	26.0 ksi	Compression after impact strength, 1500 in-lb/in; NASA 1092
	50.0 ksi @Temperature 204 °C	Dry; ASTM D695
	60.0 ksi @Temperature 149 °C	Dry; ASTM D695
	65.0 ksi @Temperature 82.2 °C	Wet; ASTM D695
	75.0 ksi @Temperature 23.9 °C	Dry; ASTM D695
Compressive Modulus	2500 ksi	Compression after impact modulus, 1500 in-lb/in; NASA 1092
	3300 ksi @Temperature 82.2 °C	Wet; ASTM D695
	3400 ksi @Temperature 149 °C	Dry; ASTM D695
	3400 ksi @Temperature 204 °C	Dry; ASTM D695
	3500 ksi @Temperature 23.9 °C	Dry; ASTM D695
Shear Modulus	600 ksi @Temperature 71.1 °C	In-Plane; Dry; ASTM D3518
	600 ksi @Temperature 71.1 °C	In-Plane; Wet; ASTM D3518
	700 ksi @Temperature 23.9 °C	In-Plane; Dry; ASTM D3518
Shear Strength	2.60 ksi @Temperature 204 °C	Short Beam; Dry; ASTM D2344
	5.60 ksi @Temperature 149 °C	Short Beam; Dry; ASTM D2344
	7.50 ksi @Temperature 82.2 °C	Short Beam; Wet; ASTM D2344
	8.50 ksi @Temperature 23.9 °C	Short Beam; Dry; ASTM D2344
	14.3 ksi @Temperature 71.1 °C	In-Plane; Wet; ASTM D3518
	16.0 ksi @Temperature 71.1 °C	In-Plane; Dry; ASTM D3518
	17.2 ksi @Temperature 23.9 °C	In-Plane; Dry; ASTM D3518

Electrical Properties	Original Value	Comments
Dielectric Constant	3.2 - 3.3 @Frequency 9.375e+9 Hz
Dissipation Factor	0.0040 - 0.0070 @Frequency 9.375e+9 Hz

Thermal Properties	Original Value	Comments
CTE, linear	28.9 µin/in-°F	Z-Axis
Glass Transition Temp, Tg	148 °C	DMA; without post-cure
	178 °C	DMA; with post-cure

Processing Properties	Original Value	Comments
Gel Time	0.800 - 2.50 min @Temperature 135 °C
Shelf Life	12.0 Month @Temperature -17.8 °C

Descriptive Properties
Fabric Area Weight (g/m²)	285
Resin Flow (%)	8-28	325°F, 50psi
Resin Solids Content (%)	36-42

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 go back to viewing the property data in MatWeb's normal format.

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PPARK078 / 89350

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