3M™ Polyurethane Protective Tape 8681HS is an 18 mil (0.45 mm), 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.3M Polyurethane Protective Tape 8681HS is a thermoplastic polyurethane elastomer tape designed to provide premium leading-edge erosion protection. With strong scratch, tear, erosion and puncture resistance that comes from the thick polyurethane backing, this tape also includes a high shear strength acrylic adhesive. It can withstand a wide variety of difficult conditions, including rain and sand erosion. This tape is available in matte clear, 36118 Grey, 36173 Grey, 36251 Grey, 36270 Grey, 36320 Grey and 36375 Grey. It can be applied efficiently in aircraft and rotorcraft production and maintenance.
Acrylic adhesive adheres to a wide variety of substrates and retains a constant level of adhesion over time
Can be painted over or applied to painted surfaces
Easy to apply and conforms over curved surfaces
erosion and punctures
tears
thermoplastic polyurethane elastomer has a high shear strength adhesive and resists scratches
Tough
yet removes easily when necessary
