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Rulon Bearings

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Solvay CYCOM® 7668 Epoxy Resin
Categories: Polymer; Thermoset; Epoxy
Material Notes: CYCOM® 7668 resin is a 350°F (177°C) curing flame retardant epoxy formulated for use with fiberglass in structural laminates and sandwich panels for aircraft exteriors. Woven fabric impregnated with 7668 resin will maintain good tack and drape for at least 15 days at 75°F (24°C) and once cured, exhibits excellent resistance to thermal aging.

Features & Benefits:

  • Four tailored tack levels
  • Excellent flammability
  • Resistant to thermal aging
  • Outstanding tension, compression and sandwich properties
  • Suitable for laminates and sandwich panels
  • Low flow and core movement
  • Meets BMS-8-139 and MIL-R-9300, type 2
  • 350°F (177°C) cure
  • 350°F (177°C) dry service temperature
  • Shelf life 270 days at 10°F (-12°C) or below
  • Handling life 15 days at 75°F (24°C)
  • Mechanical life 30 days at 75°F (24°C)
Applications: Structural laminates and honeycomb core sandwich panels for aircraft exteriors

Information provided by Cytec, subsequently acquired by Solvay.
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 %Style 7781
 <= 1.5 %Style 120
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 54000 psi100 hrs aging at 177°C, Style 120, Medium Tack
 62000 psi100 hrs aging at 177°C, Style 7668/7781, Low Tack
 63000 psi100 hrs aging at 177°C, Style 7668/7781, High Tack
 63000 psi100 hrs aging at 177°C, Style 7668/7781, Very Low Tack
 67000 psi100 hrs aging at 177°C, Style 7668/7781, Medium Tack
 52000 psi
@Temperature 177 °C		Style 120, Medium Tack
 60000 psi
@Temperature 177 °C		Style 7668/7781, Very Low Tack
 60000 psi
@Temperature 24.0 °C		Style 120, Medium Tack
 61000 psi
@Temperature 177 °C		Style 7668/7781, High Tack
 62000 psi
@Temperature 177 °C		Style 7668/7781, Low Tack
 64000 psi
@Temperature 177 °C		Style 7668/7781, Medium Tack
 73000 psi
@Temperature 24.0 °C		Style 7668/7781, Very Low Tack
 74000 psi
@Temperature 24.0 °C		Style 7668/7781, High Tack
 74000 psi
@Temperature 24.0 °C		Style 7668/7781, Low Tack
 75000 psi
@Temperature 24.0 °C		Style 7668/7781, Medium Tack
Tensile Modulus 20.0 GPa100 hrs aging at 177°C, Style 120, Medium Tack
 23.4 GPa100 hrs aging at 177°C, Style 7668/7781, Very Low Tack
 24.1 GPa100 hrs aging at 177°C, Style 7668/7781, High Tack
 24.1 GPa100 hrs aging at 177°C, Style 7668/7781, Low Tack
 26.2 GPa100 hrs aging at 177°C, Style 7668/7781, Medium Tack
 19.3 GPa
@Temperature 177 °C		Style 120, Medium Tack
 22.1 GPa
@Temperature 24.0 °C		Style 120, Medium Tack
 23.4 GPa
@Temperature 177 °C		Style 7668/7781, Very Low Tack
 24.1 GPa
@Temperature 177 °C		Style 7668/7781, High Tack
 24.1 GPa
@Temperature 177 °C		Style 7668/7781, Low Tack
 24.8 GPa
@Temperature 177 °C		Style 7668/7781, Medium Tack
 26.2 GPa
@Temperature 24.0 °C		Style 7668/7781, High Tack
 26.2 GPa
@Temperature 24.0 °C		Style 7668/7781, Low Tack
 26.2 GPa
@Temperature 24.0 °C		Style 7668/7781, Very Low Tack
 26.9 GPa
@Temperature 24.0 °C		Style 7668/7781, Medium Tack
Compressive Strength 331 MPa100 hrs aging at 177°C, Style 120, Medium Tack
 358 MPa100 hrs aging at 177°C, Style 7668/7781, Medium Tack
 358 MPa100 hrs aging at 177°C, Style 7668/7781, Low Tack
 393 MPa100 hrs aging at 177°C, Style 7668/7781, High Tack
 407 MPa100 hrs aging at 177°C, Style 7668/7781, Very Low Tack
 352 MPa
@Temperature 177 °C		Style 7668/7781, Low Tack
 358 MPa
@Temperature 177 °C		Style 120, Medium Tack
 365 MPa
@Temperature 177 °C		Style 7668/7781, High Tack
 365 MPa
@Temperature 177 °C		Style 7668/7781, Very Low Tack
 393 MPa
@Temperature 177 °C		Style 7668/7781, Medium Tack
 517 MPa
@Temperature 24.0 °C		Style 7668/7781, High Tack
 545 MPa
@Temperature 24.0 °C		Style 120, Medium Tack
 552 MPa
@Temperature 24.0 °C		Style 7668/7781, Low Tack
 572 MPa
@Temperature 24.0 °C		Style 7668/7781, Medium Tack
 572 MPa
@Temperature 24.0 °C		Style 7668/7781, Very Low Tack
Compressive Modulus 21400 MPa100 hrs aging at 177°C, Style 120, Medium Tack
 26200 MPa100 hrs aging at 177°C, Style 7668/7781, High Tack
 26200 MPa100 hrs aging at 177°C, Style 7668/7781, Very Low Tack
 26900 MPa100 hrs aging at 177°C, Style 7668/7781, Low Tack
 29000 MPa100 hrs aging at 177°C, Style 7668/7781, Medium Tack
 22800 MPa
@Temperature 177 °C		Style 120, Medium Tack
 23400 MPa
@Temperature 24.0 °C		Style 120, Medium Tack
 25500 MPa
@Temperature 177 °C		Style 7668/7781, High Tack
 25500 MPa
@Temperature 177 °C		Style 7668/7781, Very Low Tack
 26200 MPa
@Temperature 177 °C		Style 7668/7781, Medium Tack
 26200 MPa
@Temperature 177 °C		Style 7668/7781, Low Tack
 27600 MPa
@Temperature 24.0 °C		Style 7668/7781, High Tack
 28300 MPa
@Temperature 24.0 °C		Style 7668/7781, Very Low Tack
 29000 MPa
@Temperature 24.0 °C		Style 7668/7781, Medium Tack
 29600 MPa
@Temperature 24.0 °C		Style 7668/7781, Low Tack
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 350 °FDry
 
Descriptive Properties
Climbing Drum Peel18 Nm/mMedium Tack, Style 120, AF 131 Adhesive
 19.9 Nm/mMedium Tack, 7668/7781, AF 131 Adhesive
 19.9 Nm/mVery Low Tack, 7668/7781, AF 131 Adhesive
 20.3 Nm/mHigh Tack, 7668/7781, AF 131 Adhesive
 20.6 Nm/mLow Tack, 7668/7781, AF 131 Adhesive
 20.9 Nm/mVery Low Tack, 7668/7781, FM 355 Adhesive
 21.2 Nm/mHigh Tack, 7668/7781, FM 355 Adhesive
 23.1 Nm/mLow Tack, 7668/7781, FM 355 Adhesive
 24.6 Nm/mMedium Tack, 7668/7781, FM 355 Adhesive
 38 Nm/mMedium Tack, Style 120, FM 355 Adhesive
 52.3 Nm/mHigh Tack, 7668/7781, FM 61 Adhesive
 53.8 Nm/mLow Tack, 7668/7781, FM 61 Adhesive
 54.1 Nm/mMedium Tack, 7668/7781, FM 61 Adhesive
 60.8 Nm/mVery Low Tack, 7668/7781, FM 61 Adhesive

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PCYTED082 / 180384

Master Bond adhesives




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