Park Electrochemical Nelcote® E-761 Epoxy Prepreg, Spectra® 951 - PT Reinforced

Category	Polymer , Thermoset , Epoxy
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® E-761 Epoxy Prepreg, Spectra® 951 - PT Reinforced.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Nelcote® E-761 is a versatile self-adhesive epoxy matrix for use in aerospace and commercial application where ease of processing and cost are key considerations.Key Features and Benefits:Controlled flow for ease of processingSelf adhesive for honeycomb or foam sandwich laminates without the use of film adhesiveFlexible cure temperature 180°F to 250°FGood electrical propertiesFlame and fire retardant per FAR 25.853Wet service temperatures up to 160°FApplications/Qualifications:RadomesAircraft InteriorsSecondary Aircraft StructuresSandwich PanelsMRI ResonatorsWidely specified on commercial and military aircraft programsInformation provided by Park Electrochemical Corp.

Physical Properties	Metric	English	Comments
Volatiles	<= 1.0 % @Temperature 135 °C	<= 1.0 % @Temperature 275 °F	8 min
Thickness	254 microns	10.0 mil	Per Ply

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	448 MPa @Temperature 21.1 °C	65000 psi @Temperature 70.0 °F	0° Direction, Dry; ASTM D638
Flexural Strength	96.5 MPa @Temperature 21.1 °C	14000 psi @Temperature 70.0 °F	Dry; ASTM D790
Compressive Strength	34.5 MPa @Temperature 21.1 °C	5000 psi @Temperature 70.0 °F	Dry; ASTM D695
Compressive Modulus	26.9 GPa @Temperature 21.1 °C	3900 ksi @Temperature 70.0 °F	Dry; ASTM D695

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	115 °C	239 °F	Dry; DMA

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.6 - 2.8 @Frequency 5.00e+9 - 1.80e+10 Hz	2.6 - 2.8 @Frequency 5.00e+9 - 1.80e+10 Hz
Dissipation Factor	0.0040 @Frequency 5.00e+9 - 1.80e+10 Hz	0.0040 @Frequency 5.00e+9 - 1.80e+10 Hz

Processing Properties	Metric	English	Comments
Gel Time	8.20 min	8.20 min
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)	98.3
Prepreg Resin Content (%)	50
Resin Flow (%)	6	275°F, 50psi

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