3M Reinforced Electrical Tape 1139 - 3.78" x 60yd Clear Polyester Film/Glass Filament Tape - High Temperature Resistant (311°F), 0.0065" Thickness - Ideal for Electrical Insulation, Wire Harnessing & Automotive Repairs

3M Reinforced Electrical Tape 1139, is an industrial grade 6.5 mil electrical tape constructed with a polyester film, glass filament reinforced backing mated to a pressure sensitive acrylic adhesive. This product is used for heavy duty air and oil filled transfer applications and is suitable for fulfilling reinforcing, holding, separating, insulating, bundling and covering needs. Constructed for effectiveness in demanding industrial applications, this product exhibits solvent resistance without thermosetting and a high breaking strength.

Used for heavy duty air and oil filled transfer applications

Suitable for reinforcing, holding, separating, insulating, bundling and covering

Solvent resistant without thermosetting

Glass filament reinforced for high breaking strength

Industrial grade tape product