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DOWSIL™ 1-4105 Conformal Coating

One-part, clear, fast heat cure, soft, stress-relieving, UL, contains UV indicator. Suitable for use as a protective coating for rigid and flexible circuit boards.

Uses:

  • Conformal Coating for:
  • Rigid and flexible circuit boards 
  • Electronic Printed Wiring Boards (PWB) 
  • Sensitive components and fine pitch design 

Benefits:

  • One-Part Heat Cure
  • Cures to soft, low stress elastomer
  • Low viscosity enhances flow and fill in narrow gaps and spaces
  • No added solvents
  • UV indicator allows for automated inspection
  • UL 94 V-1 flammability rating

Properties

These values are not intended for use in preparing specifications.

Typical Properties

  • Color Yes No Transparent
  • Cure Characteristics Yes No Fast Heat Cure
  • Dielectric Constant at 100 Hz Yes No 2.63
  • Dielectric Strength Yes No 500 volts per mil v/mil
  • Dielectric Strength (kV/mm) Yes No 20 kV/mm
  • Dispensing Characteristics Yes No High Flow 350-850 cps
  • Dissipation Factor at 100 Hz Yes No < 0.0002
  • Dissipation Factor at 100 kHz Yes No 0.0007
  • Durometer - Shore 00 Yes No 64 Shore 00
  • Elongation Yes No 70 %
  • Flowable Yes No Yes
  • Heat Cure Yes No 10 Minutes @ 105 Deg C
  • Linear CTE Yes No 325 um/m/Deg C
  • Number of Parts Yes No One Part
  • Solvent Type Yes No Solventless
  • Special Characteristics Yes No UL Recognized
  • Tensile Strength Yes No 35 psi
  • Viscosity Yes No 450 mPa.s
  • Volume Resistivity Yes No 2.7e+013 Ω・cm

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
Please Contact Dow for additional information.

No sales specification could be found for this material in selected language

DOWSIL™ 1-4105 Conformal Coating
No Technical Data Sheets are available online for this material.
Please Contact Dow for additional information.

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DOWSIL™ 1-4105 Conformal Coating
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