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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
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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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