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Rulon Bearings

Park Aerospace Nelcote® E-761 Epoxy Prepreg, 7781 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 229 microns9.00 milPer Ply
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 3.79 - 4.78 MPa549 - 693 psiFlatwise (sandwich); Bag Surface
 5.79 MPa840 psiFlatwise (sandwich); Mold Surface
 324 MPa
@Temperature 93.3 °C		47000 psi
@Temperature 200 °F		0° Direction, Dry; ASTM D638
 359 MPa
@Temperature 71.1 °C		52000 psi
@Temperature 160 °F		0° Direction, Wet; ASTM D638
 407 MPa
@Temperature 21.1 °C		59000 psi
@Temperature 70.0 °F		0° Direction, Wet; ASTM D638
 448 MPa
@Temperature 71.1 °C		65000 psi
@Temperature 160 °F		0° Direction, Dry; ASTM D638
 496 MPa
@Temperature 21.1 °C		72000 psi
@Temperature 70.0 °F		0° Direction, Dry; ASTM D638
 655 MPa
@Temperature -53.9 °C		95000 psi
@Temperature -65.0 °F		0° Direction, Dry; ASTM D638
Tensile Modulus  22.8 GPa
@Temperature 71.1 °C		3300 ksi
@Temperature 160 °F		0° Direction, Wet; ASTM D638
 23.4 GPa
@Temperature 21.1 °C		3400 ksi
@Temperature 70.0 °F		0° Direction, Wet; ASTM D638
 24.1 GPa
@Temperature -53.9 °C		3500 ksi
@Temperature -65.0 °F		0° Direction, Dry; ASTM D638
 25.5 GPa
@Temperature 21.1 °C		3700 ksi
@Temperature 70.0 °F		0° Direction, Dry; ASTM D638
 25.5 GPa
@Temperature 71.1 °C		3700 ksi
@Temperature 160 °F		0° Direction, Dry; ASTM D638
 26.9 GPa
@Temperature 93.3 °C		3900 ksi
@Temperature 200 °F		0° Direction, Dry; ASTM D638
Flexural Strength  448 MPa
@Temperature 71.1 °C		65000 psi
@Temperature 160 °F		Wet; ASTM D790
 455 MPa
@Temperature 93.3 °C		66000 psi
@Temperature 200 °F		Dry; ASTM D790
 531 MPa
@Temperature 71.1 °C		77000 psi
@Temperature 160 °F		Dry; ASTM D790
 552 MPa
@Temperature 21.1 °C		80000 psi
@Temperature 70.0 °F		Wet; ASTM D790
 655 MPa
@Temperature 21.1 °C		95000 psi
@Temperature 70.0 °F		Dry; ASTM D790
 807 MPa
@Temperature -53.9 °C		117000 psi
@Temperature -65.0 °F		Dry; ASTM D790
Flexural Modulus  18.6 GPa
@Temperature 71.1 °C		2700 ksi
@Temperature 160 °F		Wet; ASTM D790
 19.3 GPa
@Temperature 93.3 °C		2800 ksi
@Temperature 200 °F		Dry; ASTM D790
 20.0 GPa
@Temperature 71.1 °C		2900 ksi
@Temperature 160 °F		Dry; ASTM D790
 20.7 GPa
@Temperature 21.1 °C		3000 ksi
@Temperature 70.0 °F		Wet; ASTM D790
 22.1 GPa
@Temperature -53.9 °C		3200 ksi
@Temperature -65.0 °F		Dry; ASTM D790
 22.1 GPa
@Temperature 21.1 °C		3200 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
 379 MPa
@Temperature 71.1 °C		55000 psi
@Temperature 160 °F		Dry; ASTM D695
 386 MPa
@Temperature 21.1 °C		56000 psi
@Temperature 70.0 °F		Wet; ASTM D695
 455 MPa
@Temperature 21.1 °C		66000 psi
@Temperature 70.0 °F		Dry; ASTM D695
 579 MPa
@Temperature -53.9 °C		84000 psi
@Temperature -65.0 °F		Dry; ASTM D695
Compressive Modulus  24.1 GPa
@Temperature 71.1 °C		3500 ksi
@Temperature 160 °F		Wet; ASTM D695
 24.1 GPa
@Temperature 71.1 °C		3500 ksi
@Temperature 160 °F		Dry; ASTM D695
 24.1 GPa
@Temperature 93.3 °C		3500 ksi
@Temperature 200 °F		Dry; ASTM D695
 24.8 GPa
@Temperature 21.1 °C		3600 ksi
@Temperature 70.0 °F		Wet; ASTM D695
 24.8 GPa
@Temperature 21.1 °C		3600 ksi
@Temperature 70.0 °F		Dry; ASTM D695
 25.5 GPa
@Temperature -53.9 °C		3700 ksi
@Temperature -65.0 °F		Dry; ASTM D695
Shear Strength  35.9 MPa
@Temperature 93.3 °C		5200 psi
@Temperature 200 °F		Short-Beam, Dry; ASTM D2344
 41.4 MPa
@Temperature 71.1 °C		6000 psi
@Temperature 160 °F		Short-Beam, Wet; ASTM D2344
 44.8 MPa
@Temperature 71.1 °C		6500 psi
@Temperature 160 °F		Short-Beam, Dry; ASTM D2344
 55.2 MPa
@Temperature 21.1 °C		8000 psi
@Temperature 70.0 °F		Short-Beam, Wet; ASTM D2344
 62.1 MPa
@Temperature 21.1 °C		9000 psi
@Temperature 70.0 °F		Short-Beam, Dry; ASTM D2344
 79.3 MPa
@Temperature -53.9 °C		11500 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 4.00 min4.00 min
Shelf Life 12.0 Month
@Temperature -17.8 °C		12.0 Month
@Temperature 0.000 °F
 
Descriptive Properties
Climbing Drum Peel (in-lb/3in)14.7ASTM D1781; Mold Surface, 75°F
 14.8ASTM D1781; Bag Surface, 75°F
Fabric Area Weight (g/m²)303.5
Long Beam Flexure (P/Y lb/in)152 / 124Bag Surface
 201Mold Surface
Long Beam Flexure Strength (lbs)157 / 130Bag Surface
 205Mold Surface
Prepreg Resin Content (%)39
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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PPARK019 / 89291

Aluminum Castings




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