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Ensinger PEI

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Park Aerospace Nelcote® E-765 Epoxy Prepreg, 120 E-Glass Reinforced
Categories: Polymer; Thermoset; Epoxy

Material Notes: Nelcote® E-765 is a tough 250°F cure prepreg system designed to replace 350°F cure systems in aircraft structural applications. FAA-approved Design Allowable Databases are available upon request.

Key Features and Benefits:

  • Designed to replace first generation 350°F (176°C) cure systems.
  • Wide cure temperature process window of 250°F to 350°F
  • Exhibits very low void content, i.e., <2% after vacuum cure.
  • Superior fiber property translation.
  • 180°F Wet service temperature after ~250°F cure
  • Good tack and drape characteristics for 3 weeks at room temperature

Applications/Qualifications:

  • Primary Aircraft Structures
    • Fuselage
    • Wing
    • Control Surfaces
  • Secondary Aircraft Structures
    • Aircraft Frames
    • Doors
    • Shelves
    • Bulkheads

Information provided by Park Electrochemical Corp.

Key Words: EP
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Volatiles <= 1.5 %
Thickness 5.00 milcured, per ply
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 53000 psi
@Temperature 21.1 °C
0° Direction, Dry; Vacuum/Oven Cured; ASTM D3039-95
Tensile Modulus 2400 ksi
@Temperature 21.1 °C
0° Direction, Dry; Vacuum/Oven Cured; ASTM D3039-95
Compressive Strength 63.0 ksi
@Temperature 21.1 °C
Dry; Vacuum/Oven Cured; SACMA 1-94
Compressive Modulus 2600 ksi
@Temperature 21.1 °C
Dry; Vacuum/Oven Cured; SACMA 1-94
Shear Strength 9.30 ksi
@Temperature 21.1 °C
Short-Beam, Dry; Vacuum/Oven Cured; ASTM D2344
 
Electrical PropertiesOriginal ValueComments
Dielectric Constant 4.5
@Frequency 9.375e+9 Hz
Dissipation Factor 0.020
@Frequency 9.375e+9 Hz
 
Thermal PropertiesOriginal ValueComments
Glass Transition Temp, Tg 165 °CDry; DMA
 
Processing PropertiesOriginal ValueComments
Gel Time 2.00 - 6.00 min
@Temperature 135 °C
Shelf Life 6.00 Month
@Temperature -17.8 °C
 
Descriptive Properties
Fabric Area Weight (g/m²)107
Prepreg Resin Content (%)53
Resin Flow (%)26275°F, 15psi
TackLight-Medium

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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PPARK038 / 89310

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