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3m glass bubbles filler

3M™ Glass Bubbles for xEV Battery

Our advanced glass bubble fillers go far beyond body panels.


Key benefits of 3M Glass Bubbles for xEV battery assembly and production

  • automotive lightweighting benefit
    Lighter materials to enable greater range

    Using 3M glass bubbles as a lightweight additive for battery components – and components throughout the vehicle – can translate into increased range for xEVs and increased fuel efficiency for hybrid vehicles. Inherent low dielectric and high electrical insulating properties of 3M glass bubbles can lead to lower power loss and more robust battery performance over time.

  • process efficiency
    Enabling process efficiencies
    Our high-strength, low-density microspheres with good flow characteristics can withstand the high pressures of compounding and injection molding. They can also enable faster cooling for cycle time reduction and allow for reduced operating pressures. This can translate into lower production costs overall.

Key considerations for design engineers

Our 3M glass bubbles have been instrumental for automotive lightweighting in body and under hood/dash applications. Now, they deliver key properties that help optimize designs and material selection in hybrid and EV battery components.

  • 3m glass bubbles particles
    Consistent thermal expansion and contraction
    The isotropic spherical geometry helps promote uniform thermal expansion and contraction for increased dimensional stability.
  • interior of an automobile
    Lighter and more uniform parts
    Compared to conventional fillers, 3M glass bubbles fillers allow you to create lighter, more uniform parts from polypropylene, nylon, acetal and other engineered thermoplastics, as well as many thermoset materials.
  • up close shot of xEV battery
    May help decrease reactive burning

    Being chemically inert and often displacing polymer resin, 3M glass bubbles can help decrease reactive burning during a thermal runaway event.

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