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3M™ Thermally Conductive Silicone Interface Pad 5591

3M ID  AM000003591     
3M(TM) Thermally Conductive Silicone Interface Pad 5591
3M(TM) Thermally Conductive Silicone Interface Pad 5591
Thermally Conductive Adhesive Transfer Tape Heat Sink
3M(TM) Thermally Conductive Interface Pads
3M(TM) Thermally Conductive Interface Pads
3M™ Thermally Conductive Silicone Interface Pad 5591 is a highly conformable, slightly tacky silicone elastomer pad. Designed to provide heat transfer path between heat generating components and heat sinks, heat spreaders or other cooling devices.
Features and Benefits
  • Good thermal stability of the base polymer with excellent softness of the thermal pad.
  • Good thermal conductivity in a ultra soft silicone polymer base.
  • The product tack is such that a mechanical means to support the pad in a final assembly is required.
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    Product Attributes

    ApplicationBattery Thermal Management, LED Lighting Thermal Management, Thermal Gap Pad, Thermal Interface-Damping-Cushioning
    Application CategoryThermal Interface Materials
    Base MaterialFilled Silicone Polymer
    Carrier TypeNo Carrier
    Dielectric Strength5.5 kV/mm
    Easy Release Top Liner TypePET Film
    HardnessShore 00 = 10 to 15
    Liner TypeDouble
    Product Series5591
    Thermal Conductivity1.0 W/m-K
    Thermal Impedance1.92 Degree C-in^2/W (40.0 mil), 2.71 Degree C-in^2/W (60.0 mil), 3.49 Degree C-in^2/W (80.0 mil)
    Thermal Impedance (metric)12.4 Degree C-cm^2/W (1.0 mm), 17.5 Degree C-cm^2/W (1.5 mm), 22.5 Degree C-cm^2/W (2.0 mm)
    Tight Side Release Liner TypePET Film
    Total Tape Thickness without Liner40.0 mil, 60.0 mil, 80.0 mil
    Total Tape Thickness without Liner (metric)1.0 mm, 1.5 mm, 2.0 mm

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