3M FRB Flame Barrier Paper

3M Flame Barrier FRB Series is your ultimate source for flame-retardant insulation in OEM electrical flame barrier applications. SRP is your guide in pinpointing the perfect flame barrier material for your specific application and seamlessly transforms it into a tailored format that suits your needs, whether that involves slitting, cutting or expertly die-cut parts.

What is 3M™ FRB Flame Barrier Paper?

  • Thin and flexible flame retardant made of inorganic materials that comes in rolls and sheets
  • Features thin calipers with 5VA flame ratings that reduce cost and weight
  • Offered in high-density formulations to enhance dielectric strength while presenting a smoother surface and denser cell structure
  • Choose between white or black flame-retardant coatings to elevate the optical and aesthetic qualities

Benefits of 3M FRB Flame Barrier Paper

Excellent ignitability, arc and track resistance
Good dielectric strength and a rated thermal index of 130°C for base material
Low outgassing of base material and dimensionally stable
5VA flame rating offers enhanced protection compared to aramid, polypropylene and polycarbonate
130°C rated thermal index (RTI) rating provides a more protection than polypropylene and polycarbonate


General purpose lighting
Electric & hybrid vehicles
Electrical devices

3M Flame Barrier FRB Series Product Families

  • FRB-NT
  • FRB-NC
  • FRB-WT
  • FRB-NT
  • FRB-NC

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