3M™ Polyurethane Protective Tape 8681HS is a 18 mil, leading edge erosion protection tape comprised of a tough polyurethane backing and a high shear acrylic adhesive. It strongly resists punctures, tearing and abrasion. This tape is qualified to aerospace specifications. - An outdoor grade polyurethane protective tape with high shear acrylic adhesive used for aircraft and rotor blade leading edge protection. Easily applied to a variety of surfaces, conformable and can be painted or applied over painted surfaces. Simplified installation process, fast and easy to apply. Qualified to numerous Lockheed, Boeing and Airbus specifications for extreme protection from rock, sand and rain erosion and impact. Landfill able, contains no VOC's.