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Master Bond adhesives

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Park Aerospace Nelcote® E-752 Epoxy Prepreg, IM7 Unitape Reinforced
Categories: Polymer; Thermoset; Epoxy

Material Notes: Nelcote® E-752 is a toughened, 185°C cure epoxy system designed for demanding structural applications up to 130°C. E-752 offers a good balance of toughness, high service temperature and good moisture resistance, as well as excellent tack and drape. Formulated for both oven and autoclave cure, E-752 provides for easy processing with oven cure, without sacrificing mechanical properties.

Key Features and Benefits:

  • Specifically designed to allow both oven cure and autoclave cure
    • Allows oven curing without sacrificing mechanical properties
  • Service temperatures up to 130°C
  • Controlled flow for ease of processing
  • Flexible cure temperature 132°C to 185°C
    • Good mechanical properties can be achieved through oven curing at 132°C, followed by post-cure at 185°C
  • Self-adhesive grade for sandwich panel applications

Applications/Qualifications:

  • Primary and Secondary Aircraft Structures
  • Ducting
  • Fairings
  • Nacelles

Information provided by Park Electrochemical Corp.

Key Words: EP
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Physical PropertiesOriginal ValueComments
Volatiles <= 1.9 %
@Temperature 135 °C
8 min
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 340000 psi
@Temperature 23.9 °C
0° Direction, Dry, 365° Autoclave Cured; ASTM D3039
 350000 psi
@Temperature 121 °C
0° Direction, Dry, 365° Autoclave Cured; ASTM D3039
 356000 psi
@Temperature 121 °C
0° Direction, Wet, 365° Autoclave Cured; ASTM D3039
Tensile Modulus 23400 ksi
@Temperature 23.9 °C
0° Direction, Dry, 365° Autoclave Cured; ASTM D3039
 24200 ksi
@Temperature 121 °C
0° Direction, Dry, 365° Autoclave Cured; ASTM D3039
 24600 ksi
@Temperature 121 °C
0° Direction, Wet, 365° Autoclave Cured; ASTM D3039
Compressive Strength 148 ksi
@Temperature 121 °C
Wet, 365° Autoclave Cured; SACMA 1R-94
 190 ksi
@Temperature 121 °C
Dry, 365° Autoclave Cured; SACMA 1R-94
 264 ksi
@Temperature 23.9 °C
Dry, 365° Autoclave Cured; SACMA 1R-94
Compressive Modulus 21100 ksi
@Temperature 23.9 °C
Dry, 365° Autoclave Cured; SACMA 1R-94
 22800 ksi
@Temperature 121 °C
Wet, 365° Autoclave Cured; SACMA 1R-94
 27200 ksi
@Temperature 121 °C
Dry, 365° Autoclave Cured; SACMA 1R-94
Shear Modulus 690 ksi
@Temperature 23.9 °C
In-Plane, Dry, 365° Autoclave Cured; ASTM D3518
Shear Strength 13.2 ksi
@Temperature 23.9 °C
In-Plane, Dry, 365° Autoclave Cured; ASTM D3518
 
Thermal PropertiesOriginal ValueComments
Glass Transition Temp, Tg 170 °CWet; DMA
 190 °CDry; DMA
 
Processing PropertiesOriginal ValueComments
Gel Time 5.00 - 12.0 min
Shelf Life 12.0 Month
@Temperature -17.8 °C
 
Descriptive Properties
Fabric Area Weight (g/m²)120-300
Prepreg Resin Content (%)32-38
Resin Flow (%)6-20275°F, 50psi

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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PPARK017 / 89289

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