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Elmet Technologies

Park Aerospace Nelcote® E-761 Epoxy Prepreg, 120 E-Glass Reinforced
Categories: Polymer; Thermoset; Epoxy
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 processing
  • Self adhesive for honeycomb or foam sandwich laminates without the use of film adhesive
  • Flexible cure temperature 180°F to 250°F
  • Good electrical properties
  • Flame and fire retardant per FAR 25.853
  • Wet service temperatures up to 160°F

Applications/Qualifications:

  • Radomes
  • Aircraft Interiors
  • Secondary Aircraft Structures
  • Sandwich Panels
  • MRI Resonators
  • Widely specified on commercial and military aircraft programs

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 PropertiesMetricEnglishComments
Volatiles <= 1.5 %
@Temperature 135 °C		<= 1.5 %
@Temperature 275 °F		8 min
Thickness 102 microns4.00 milPer Ply
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield  290 MPa
@Temperature 71.1 °C		42000 psi
@Temperature 160 °F		0° Direction, Wet; ASTM D638
 345 MPa
@Temperature 21.1 °C		50000 psi
@Temperature 70.0 °F		0° Direction, Wet; ASTM D638
 365 MPa
@Temperature 93.3 °C		53000 psi
@Temperature 200 °F		0° Direction, Dry; ASTM D638
 414 MPa
@Temperature 71.1 °C		60000 psi
@Temperature 160 °F		0° Direction, Dry; ASTM D638
 455 MPa
@Temperature 21.1 °C		66000 psi
@Temperature 70.0 °F		0° Direction, Dry; ASTM D638
 572 MPa
@Temperature -53.9 °C		83000 psi
@Temperature -65.0 °F		0° Direction, Dry; ASTM D638
Tensile Modulus  20.0 GPa
@Temperature 71.1 °C		2900 ksi
@Temperature 160 °F		0° Direction, Wet; ASTM D638
 20.7 GPa
@Temperature 21.1 °C		3000 ksi
@Temperature 70.0 °F		0° Direction, Dry; ASTM D638
 21.4 GPa
@Temperature -53.9 °C		3100 ksi
@Temperature -65.0 °F		0° Direction, Dry; ASTM D638
 22.1 GPa
@Temperature 71.1 °C		3200 ksi
@Temperature 160 °F		0° Direction, Dry; ASTM D638
 22.1 GPa
@Temperature 93.3 °C		3200 ksi
@Temperature 200 °F		0° Direction, Dry; ASTM D638
 22.1 GPa
@Temperature 21.1 °C		3200 ksi
@Temperature 70.0 °F		0° Direction, Wet; ASTM D638
Flexural Strength  414 MPa
@Temperature 71.1 °C		60000 psi
@Temperature 160 °F		Wet; ASTM D790
 455 MPa
@Temperature 93.3 °C		66000 psi
@Temperature 200 °F		Dry; ASTM D790
 496 MPa
@Temperature 21.1 °C		72000 psi
@Temperature 70.0 °F		Wet; ASTM D790
 538 MPa
@Temperature 71.1 °C		78000 psi
@Temperature 160 °F		Dry; ASTM D790
 593 MPa
@Temperature 21.1 °C		86000 psi
@Temperature 70.0 °F		Dry; ASTM D790
 758 MPa
@Temperature -53.9 °C		110000 psi
@Temperature -65.0 °F		Dry; ASTM D790
Flexural Modulus  17.2 GPa
@Temperature 71.1 °C		2500 ksi
@Temperature 160 °F		Wet; ASTM D790
 17.2 GPa
@Temperature 93.3 °C		2500 ksi
@Temperature 200 °F		Dry; ASTM D790
 18.6 GPa
@Temperature 21.1 °C		2700 ksi
@Temperature 70.0 °F		Wet; ASTM D790
 18.6 GPa
@Temperature 71.1 °C		2700 ksi
@Temperature 160 °F		Dry; ASTM D790
 19.3 GPa
@Temperature -53.9 °C		2800 ksi
@Temperature -65.0 °F		Dry; ASTM D790
 19.3 GPa
@Temperature 21.1 °C		2800 ksi
@Temperature 70.0 °F		Dry; ASTM D790
Compressive Strength  324 MPa
@Temperature 71.1 °C		47000 psi
@Temperature 160 °F		Wet; ASTM D695
 359 MPa
@Temperature 93.3 °C		52000 psi
@Temperature 200 °F		Dry; ASTM D695
 400 MPa
@Temperature 21.1 °C		58000 psi
@Temperature 70.0 °F		Wet; ASTM D695
 414 MPa
@Temperature 71.1 °C		60000 psi
@Temperature 160 °F		Dry; ASTM D695
 483 MPa
@Temperature 21.1 °C		70000 psi
@Temperature 70.0 °F		Dry; ASTM D695
 621 MPa
@Temperature -53.9 °C		90000 psi
@Temperature -65.0 °F		Dry; ASTM D695
Compressive Modulus  20.0 GPa
@Temperature 93.3 °C		2900 ksi
@Temperature 200 °F		Dry; ASTM D695
 21.4 GPa
@Temperature 71.1 °C		3100 ksi
@Temperature 160 °F		Wet; ASTM D695
 21.4 GPa
@Temperature 71.1 °C		3100 ksi
@Temperature 160 °F		Dry; ASTM D695
 22.1 GPa
@Temperature -53.9 °C		3200 ksi
@Temperature -65.0 °F		Dry; ASTM D695
 22.1 GPa
@Temperature 21.1 °C		3200 ksi
@Temperature 70.0 °F		Dry; ASTM D695
 22.8 GPa
@Temperature 21.1 °C		3300 ksi
@Temperature 70.0 °F		Wet; ASTM D695
Shear Strength  35.9 MPa
@Temperature 71.1 °C		5200 psi
@Temperature 160 °F		Short-Beam, Wet; ASTM D2344
 37.2 MPa
@Temperature 93.3 °C		5400 psi
@Temperature 200 °F		Short-Beam, Dry; ASTM D2344
 43.4 MPa
@Temperature 71.1 °C		6300 psi
@Temperature 160 °F		Short-Beam, Dry; ASTM D2344
 48.3 MPa
@Temperature 21.1 °C		7000 psi
@Temperature 70.0 °F		Short-Beam, Wet; ASTM D2344
 55.2 MPa
@Temperature 21.1 °C		8000 psi
@Temperature 70.0 °F		Short-Beam, Dry; ASTM D2344
 80.0 MPa
@Temperature -53.9 °C		11600 psi
@Temperature -65.0 °F		Short-Beam, Dry; ASTM D2344
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant  4.2
@Frequency 9.375e+9 Hz		4.2
@Frequency 9.375e+9 Hz
 4.2
@Frequency 1.80e+10 Hz		4.2
@Frequency 1.80e+10 Hz
Dissipation Factor  0.013
@Frequency 9.375e+9 Hz		0.013
@Frequency 9.375e+9 Hz
 0.013
@Frequency 1.80e+10 Hz		0.013
@Frequency 1.80e+10 Hz
 
Thermal PropertiesMetricEnglishComments
Glass Transition Temp, Tg 115 °C239 °FDry; DMA
 
Processing PropertiesMetricEnglishComments
Gel Time 5.80 min5.80 min
Shelf Life 12.0 Month
@Temperature -17.8 °C		12.0 Month
@Temperature 0.000 °F
 
Descriptive Properties
Fabric Area Weight (g/m²)107.1
Prepreg Resin Content (%)45
Resin Flow (%)14275°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 view all the property values for this datasheet as they were originally entered into MatWeb.

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PPARK020 / 89292

Ensinger PEI




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