Park Electrochemical Nelcote® V-341 Polybutadiene Prepreg, 581 Quartz Reinforced

Category	Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer	Park Electrochemical Corp.
Trade Name	Nelcote®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Park Electrochemical Nelcote® V-341 Polybutadiene Prepreg, 581 Quartz Reinforced.pdf
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Material Notes:

Nelcote® V-341 is Polybutadiene resin system designed to provide excellent electrical properties in demanding airborne, shipboard, and undersea applications.Key Features and Benefits:Extremely low Dk/Df values for demanding RF / microwave applicationsSelf adhesive bond to foam coresLong ambient out-time for easy processingEasily processed in both vacuum/oven and autoclave processesA cost effective, shop-friendly alternative to BMI and Cyanate Ester materials in many applicationsResistant to fungus, moisture, rain impact, and most chemicalsApplications/Qualifications:High performance radomesSignature control devicesUS Army HelicopterAir Force Ground-Based RadarInformation provided by Park Electrochemical Corp.

Physical Properties	Metric	English	Comments
Volatiles	<= 2.0 % @Temperature 288 °C	<= 2.0 % @Temperature 550 °F	10 min
Water Absorption	0.050 %	0.050 %	14 days immersion

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	70	70
Tensile Strength, Yield	586 MPa @Temperature 23.9 °C	85000 psi @Temperature 75.0 °F	0° Direction, Dry; ASTM D638
Tensile Modulus	25.5 GPa @Temperature 23.9 °C	3700 ksi @Temperature 75.0 °F	0° Direction, Dry; ASTM D638
Flexural Strength	234 MPa @Temperature 93.3 °C	34000 psi @Temperature 200 °F	Dry; ASTM D790
	448 MPa @Temperature 23.9 °C	65000 psi @Temperature 75.0 °F	Dry; ASTM D790
Flexural Modulus	20.0 GPa @Temperature 93.3 °C	2900 ksi @Temperature 200 °F	Dry; ASTM D790
	21.4 GPa @Temperature 23.9 °C	3100 ksi @Temperature 75.0 °F	Dry; ASTM D790
Compressive Strength	152 MPa @Temperature 93.3 °C	22000 psi @Temperature 200 °F	Dry; Post-Cure; ASTM D695
	255 MPa @Temperature 23.9 °C	37000 psi @Temperature 75.0 °F	Dry; Post-Cure; ASTM D695
	276 MPa @Temperature 23.9 °C	40000 psi @Temperature 75.0 °F	Dry; ASTM D695
Compressive Modulus	23.4 GPa @Temperature 23.9 °C	3400 ksi @Temperature 75.0 °F	Dry; Post-Cure
	25.5 GPa @Temperature 23.9 °C	3700 ksi @Temperature 75.0 °F	Dry

Electrical Properties	Metric	English
Dielectric Constant	3.09 @Frequency 1.00e+10 Hz	3.09 @Frequency 1.00e+10 Hz
	3.12 @Frequency 3.50e+10 Hz	3.12 @Frequency 3.50e+10 Hz
Dissipation Factor	0.0030 @Frequency 3.50e+10 Hz	0.0030 @Frequency 3.50e+10 Hz
	0.0035 @Frequency 1.00e+10 Hz	0.0035 @Frequency 1.00e+10 Hz

Processing Properties	Metric	English
Gel Time	1.00 - 1.50 min @Temperature 171 °C	1.00 - 1.50 min @Temperature 340 °F
Shelf Life	3.00 Month @Temperature 4.44 °C	3.00 Month @Temperature 40.0 °F
	6.00 Month @Temperature -17.8 °C	6.00 Month @Temperature 0.000 °F

Descriptive Properties	Value	Comments
Fungus Resistance	Rated 1 (Pass)	ASTM G21-70
Prepreg Resin Content (%)	26-33
Rain Impact Erosion	No detrimental effect at 15 minutes	2mm droplet at 1"/hr
Resin Flow (%)	6-14	350°F, 100psi

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