3M™ Thermal Barrier 5000 Series

  • 3M Product Number TB5000
  • 3M ID B5005297027

Provides thermal runaway protection for cells and electrical components in high energy density cylindrical cell designs

Balances low density with high fire resistance

Low thermal conductivity (0.1-0.2 W/m⋅K)

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Tech Data Sheet (PDF, 154KB)

Details

Highlights
  • Provides thermal runaway protection for cells and electrical components in high energy density cylindrical cell designs
  • Balances low density with high fire resistance
  • Low thermal conductivity (0.1-0.2 W/m⋅K)
  • Flame resistant (LOI greater than 26%)
  • High dielectric strength (greater than 5.5 kV AC)
  • Low density of 0.55-0.80 g/ml (cured parts only)
  • Sag resistance

3M™ Thermal Barrier 5000 Series is a two-part, dispensable, lightweight, silicon-based thermal runaway barrier solution that can help OEMs address current battery safety requirements. It can help protect cells and electrical components from heat, flames and cell debris caused by a thermal runaway event in high energy density cylindrical cell designs. By creating a fire retardant, electrically and thermally insulating barrier layer, 3M™ Thermal Barrier 5000 Series helps protect neighboring cells from the energy given off from a failed cell.

  • Flame resistant icon of a flame with a slash through it.
    Flame Resistant
  • High dielectric strength icon of a lightning bolt on a platform.
    High Dielectric Strength
  • Low density icon of two arrows pointing inwards in a box.
    Low Density
Recommended applications icon for thermal runaway mitigation applications.

Typical properties

Resources

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Disclaimer

Intended Use: These products are intended for use within a high voltage lithium-ion battery pack to help address the heat and potential debris released from the cell that occurs during thermal runaway propagation in automotive, offhighway, industrial and marine battery applications. Since there are many factors that can affect a product’s use, the customer remains responsible for determining whether the 3M product is suitable and appropriate for the customer’s specific application and system, including customer conducting an appropriate risk assessment and evaluating the 3M product in customer’s application and system. Restricted Use: 3M advises against the use of this 3M product in any application other than the stated intended use(s), since other applications have not been evaluated by 3M and may result in an unsafe or unintended condition.