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Master Bond adhesives

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Park Aerospace Nelcote® E-746 Epoxy Prepreg, 581 Quartz Reinforced
Categories: Polymer; Thermoset; Epoxy

Material Notes: Nelcote® E-746 is a modified epoxy resin system designed to retain excellent mechanical properties after extended exposure to high temperature. E-746 has a proven history in many demanding aerospace applications.

Key Features and Benefits:

  • Excellent retention of mechanical properties after long-term high temperature exposure
  • Soft tack and drape properties
  • Long ambient out-time for maximum process flexibility
  • Good electrical properties for RF applications
  • Meets requirements of MIL-R-9300B Type II

Applications/Qualifications:

  • Secondary Aircraft Structures
  • Radomes
  • Nacelles
  • Inlet Ducts
  • Fairings
  • Meets SS9578 and GMS4001 specifications.

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 <= 2.0 %
@Temperature 163 °C
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 55000 psi
@Temperature 138 °C
0° Direction, Dry, Autoclave with Post-Cure; ASTM D638
 60000 psi
@Temperature 216 °C
0° Direction, Dry, Autoclave with Post-Cure; ASTM D638
 60000 psi
@Temperature 260 °C
0° Direction, Dry, Autoclave with Post-Cure; ASTM D638
 65000 psi
@Temperature 177 °C
0° Direction, Dry, Autoclave with Post-Cure; ASTM D638
 70000 psi
@Temperature 23.9 °C
0° Direction, Dry, Autoclave with Post-Cure; ASTM D638
Flexural Strength 30.0 ksi
@Temperature 260 °C
Dry, Autoclave with Post-Cure; ASTM D790
 40.0 ksi
@Temperature 216 °C
Dry, Autoclave with Post-Cure; ASTM D790
 50.0 ksi
@Temperature 177 °C
Dry, Autoclave with Post-Cure; ASTM D790
 75.0 ksi
@Temperature 138 °C
Dry, Autoclave with Post-Cure; ASTM D790
 85.0 ksi
@Temperature 23.9 °C
Dry, Autoclave with Post-Cure; ASTM D790
Compressive Strength 25.0 ksi
@Temperature 260 °C
Dry, Autoclave with Post-Cure; ASTM D695
 30.0 ksi
@Temperature 216 °C
Dry, Autoclave with Post-Cure; ASTM D695
 50.0 ksi
@Temperature 177 °C
Dry, Autoclave with Post-Cure; ASTM D695
 55.0 ksi
@Temperature 138 °C
Dry, Autoclave with Post-Cure; ASTM D695
 60.0 ksi
@Temperature 23.9 °C
Dry, Autoclave with Post-Cure; ASTM D695
Shear Strength 4.50 ksi
@Temperature 177 °C
Short-Beam, Dry, Autoclave with Post-Cure; ASTM D2344
 6.50 ksi
@Temperature 23.9 °C
Short-Beam, Dry, Autoclave with Post-Cure; ASTM D2344
 
Electrical PropertiesOriginal ValueComments
Dielectric Constant 3.3 - 3.6
@Frequency 9.375e+9 Hz
Dissipation Factor 0.012 - 0.014
@Frequency 9.375e+9 Hz
 
Thermal PropertiesOriginal ValueComments
Glass Transition Temp, Tg 180 °CLaminate; standard cure
 230 °CLaminate; post cure
 
Processing PropertiesOriginal ValueComments
Gel Time 1.00 - 3.00 min
Shelf Life 12.0 Month
@Temperature -17.8 °C
 
Descriptive Properties
Fabric Area Weight (g/m²)292
Prepreg Resin Content (%)34-40
Resin Flow (%)7-21325°F, 50psi

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PPARK012 / 89284

Rulon Bearings

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