Available in range of thicknesses from 25–250 microns, Teijin® Tetoron® UF Polyethylene Terephthalate Films and Teonex® QF Polyethylene Naphthalate Films combine inert chemical resistance, optimized tensile strength, and VTM-0 flame rating available from UL 94 flame classification testing. White halogen-free films are suited for insulating materials and labels for electronic products and batteries as well as flexible printed circuitry and LED lighting.