3M Filament Tape 1339 is a conformable, solvent resistant, high temperature filament tape with acrylic adhesive. Designed for applications needing both the dielectric strength of polyester film and the high mechanical strength of glass fibers.Offers the ultimate in low stretch, high tensile and edge tear resistance for a more cost effective solution to glass cloth tapes. Excellent for anchoring lead wires to banding coils and end turn taping. UL recognized for use at temperatures to 266F (130C). 6.5 mil film thickness.