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DOWSIL™ ME-4139 Encapsulant Dark Grey

One-part, dark grey, heat cure, controlled thixotropy-flowable as dispensed, self-priming adhesion.

Uses:

  • Where a semiconductor die has been wire bonded to a flat surface.
  • Where there is a need for a flexible coating
    • wide extremes of temperature, with the use of a pliable epoxy substrate or where severe thermal shocks are encountered
  • Compatible with most semiconductor devices and provides environmental and physical protection of both the chip and interconnecting wires in a single application

Benefits:

  • High purity
  • Controlled thixotropy and yet flowable as dispensed
  • Optimum coating to cover bonding wires
  • Flexibility over a wide temperature range
  • Excellent dielectric properties
  • Excellent adhesion to ceramic, epoxy and polyimide substrates
  • Protection from moisture, dirt and other contaminants
  • One-part elastomer with fast heat cure

Properties

These values are not intended for use in preparing specifications.

Typical Properties

  • Color Yes No Dark Grey
  • Durometer - Shore A Yes No 28 Shore A
  • Dynamic Viscosity Yes No 45000 Centipoise
  • Heat Cure Yes No 60 Minutes @ 150 Deg C
  • Number of Parts Yes No One
  • Specific Gravity @ 25°C Yes No 1.15

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

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DOWSIL™ ME-4139 Encapsulant Dark Grey
No Technical Data Sheets are available online for this material.
Please Contact Dow for additional information.

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DOWSIL™ ME-4139 Encapsulant Dark Grey
Please Contact Dow for distribution options available for this product.