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3M™ Thermally Conductive Interface Pad Sheet 5591S

Data Sheets & Summary Sheets
  • 3M 5591S

    Polyester film supported super soft, silicone elastomer with thermal conductivity of 1.0 W/mk. Conformable at low pressure to minimize stress on components and fill gaps.

    Good dielectric properties. Handles easily without crumbling.


    • Good thermal stability of the base polymer with excellent softness of the thermal pad.
    • Good thermal conductivity in an ultra soft silicone polymer base.
    • The product tack is such that a mechanical means to support the pad in a final assembly is required.