3M™ Polyurethane Protective Tape 8671HS is a 14 mil (0.35 mm), leading-edge erosion protection tape comprised of a tough polyurethane backing and an acrylic adhesive. It resists punctures, tearing and abrasion, and it also resists ultraviolet light. This tape is qualified for aerospace specifications.3M Polyurethane Protective Tape 8561 is a transparent thermoplastic polyurethane elastomer tape designed to provide premium leading-edge erosion protection. It features minor scratch, tear, erosion and puncture resistance that comes from the polyurethane backing. The 3M Polyurethane Protective Tape 8561 comes with a polyethylene liner. It can withstand a wide variety of difficult conditions. The tape can be applied efficiently in aircraft production and maintenance.