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.
Adhesion Strength (Imperial) | 135 lb/in |
Adhesion Strength (metric) | 148 N/100mm |
Adhesive Type | High Shear Acrylic |
Applications | Erosion Protection |
Backing Material | Polyurethane |
Backing Thickness (Imperial) | 12 Milli-inch (mil) |
Backing Thickness (metric) | 0.3 mm |
Maximum Operating Temperature (Celsius) | 82 °C |
Maximum Operating Temperature (Fahrenheit) | 180 null |
Minimum Installation Temperature (Celsius) | 15.0 °C |
Minimum Installation Temperature (Fahrenheit) | 60.0 °F |
Minimum Operating Temperature (Celsius) | -40 °C |
Minimum Operating Temperature (Fahrenheit) | -40 null |
Tensile Strength (Imperial) | 88.0 lb/in |
Tensile Strength (metric) | 1540 N/100mm |
Total Tape Thickness without Liner (Imperial) | 14 Milli-inch (mil) |
Total Tape Thickness without Liner (metric) | 0.35 mm |