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DOWSIL™ 1-4174 Thermally Conductive Adhesive

One-part, grey, heat cure, thermally conductive, low flow, same as 1-4173 with 7 mil (178 micron) spacer beads, self-priming.

Uses:

  • Bonding integrated circuit substrates
  • Adhering lids and housings
  • Base plate attach
  • Heat sink attach

Benefits:

  • Flowable
  • Heat cure
  • Same as DOWSIL™ 1-4173 Thermally Conductive Adhesive but with 7 mil glass beads
  • Thermally conductive adhesive
  • High tensile strength
  • No added solvents
  • No mixing of separate components required
  • Glass beads allow uniform, easily controlled bond line thickness
  • Rapid versatile cure processing controlled by temperature
  • Able to flow, fill or self-leveling after dispensing
  • Heat flow away from PCB system components can increase reliability

Properties

These values are not intended for use in preparing specifications.

Physical Properties

  • Color Yes No Grey
  • Dielectric Constant at 100 kHz Yes No 4.65
  • Dielectric Strength Yes No 400 volts per mil v/mil
  • Dissipation Factor at 100 kHz Yes No 0.0021
  • Durometer - Shore A Yes No 92
  • Dynamic Viscosity Yes No 62300 Centipoise
  • Flowable Yes No Yes
  • Heat Cure Yes No 20 Minutes @ 150 Deg C, 30 Minutes @ 125 Deg C, 90 Minutes @ 100 Deg C
  • Self Leveling Yes No Yes
  • Shear Yes No 646 psi psi
  • Shelf Life Yes No 180 days
  • Specific Gravity @ 25°C Yes No 2.71
  • Thermal Conductivity Yes No 1.78 W/m・K
  • Volume Resistivity Yes No 1.9e+014 Ω・cm

Application Benefits

  • Primerless Adhesion Yes No Yes
  • Water Resistant Yes No Yes

No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.

No Food Contact Letters are available online for this material
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No sales specification could be found for this material in selected language

DOWSIL™ 1-4174 Thermally Conductive Adhesive
No Technical Data Sheets are available online for this material.
Please Contact Dow for additional information.

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DOWSIL™ 1-4174 Thermally Conductive Adhesive
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