Use 3M Flame Barrier FRB-NT is a high temperature label used in a variety of applications. Its densified material provides higher dielectric strength, a smoother surface for improved tape adhesion and a closed cell structure.Inorganic-based, halogen-free material. UL94 VO, 5VA flame rating at low thickness UL file E65069. Excellent ignitability resistance. Excellent arc and track resistence. Good dielectric strength. Good convertibility - material is easily slit, cut, formed, and die cut. Applied to areas above cells to enhance electrical insulation post cell burst.