FyreWrap® LiB Performance Materials

FyreWrap® LiB (Lithium-ion Battery) Performance Materials are a family of high-temperature, lightweight materials designed to aid in the prevention of thermal runaway propagation in lithium based battery applications along with providing electrical and thermal protections within the battery pack. Unifrax combines material science with industry knowledge to tackle one of the most important safety issues in today’s lithium-ion battery applications. From cell-to-cell interstitial thermal barriers, to whole pack electrical protections, Unifrax delivers an engineered platform to make lithium-based battery packs safer.

FyreWrap LiB Performance products are available in the following forms:

  • FyreWrap LiB Papers
  • FyreWrap LiB Felts
  • FyreWrap LiB Shapes
  • FyreWrap LiB Coatings and Films

Typical applications:

  • Thermal runaway propagation prevention
  • Short circuit prevention and electrical protection
  • Cascading fire prevention
  • Thermal isolation and containment


  • E-Mobility
  • Grid Storage
  • Energy Storage Systems (ESS)
  • Military
  • Aerospace
  • Consumer Electronics
  • Medical
  • Transportation packaging

To learn more about FyreWrap LiB Performance Materials or to discuss your application, please contact us at: +1.716.768.6305.

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