Premium 18 mil polyurethane protective tape with high shear acrylic adhesive for aerospace leading edge erosion protection. Resistant to scratches, tears, erosion and punctures. Conforms to curved surfaces and qualifies to aerospace specifications.
3M™ Polyurethane Protective Tape 8681HS is an 18 mil leading edge erosion protection tape specifically engineered for aerospace applications. This premium protective tape features a tough thermoplastic polyurethane elastomer backing combined with a high shear strength acrylic adhesive, delivering exceptional resistance to scratches, tears, erosion, and punctures. The tape is designed to help prevent structural damage to helicopter rotor blades and aircraft surfaces with minimal effect on blade track and balance.
This conformable tape is engineered to easily apply and conform over curved surfaces, making it ideal for both aircraft and rotorcraft production and maintenance operations. The tape can be painted over or applied to painted surfaces, with an acrylic adhesive that adheres to a wide variety of substrates while retaining constant adhesion over time and removing easily when necessary. Available in multiple color options including matte clear and various gray shades (36118, 36173, 36251, 36270, 36320, and 36375), this tape is qualified to aerospace specifications and provides premium protection against rain, sand erosion, and other difficult environmental conditions.
3M™ Polyurethane Protective Tape 8681HS represents the gold standard in leading edge protection for the aerospace industry. With its proven performance history and reliability, this tape has become the preferred choice for professionals across the aerospace and rotorcraft sectors who demand superior quality, durability, and cost-effectiveness in their protective tape solutions.
Key Features
- Tough thermoplastic polyurethane elastomer backing with high shear strength acrylic adhesive
- Exceptional resistance to scratches, tears, erosion, and punctures
- Conformable design easily applies and conforms over curved surfaces
- Can be painted over or applied to painted surfaces
- Qualified to aerospace specifications for rotor blade and aircraft protection
- Available in multiple color options including matte clear and various gray shades
- Retains constant adhesion over time while removing easily when necessary
- Resists rain, sand erosion, and difficult environmental conditions
- Minimizes effect on blade track and balance
- Suitable for both production and maintenance operations
Technical Specifications
| Specification |
Value |
| Product Number | 8681HS |
| 3M ID | 7100122261 |
| Backing Material | Polyurethane |
| Adhesive Type | High Shear Acrylic |
| Product Color | Light Gray (36375) |
| Overall Thickness (Imperial) | 14 mil |
| Overall Thickness (Metric) | 0.356 mm |
| Backing Thickness (Imperial) | 12 mil |
| Backing Thickness (Metric) | 0.31 mm |
| Adhesion Strength (Imperial) | 135 lb. |
| Adhesion Strength (Metric) | 148 N/100mm |
| Tensile Strength (Imperial) | 88 lb/in |
| Tensile Strength (Metric) | 1540 N/100mm |
| Maximum Operating Temperature (Fahrenheit) | 180 °F |
| Maximum Operating Temperature (Celsius) | 82 °C |
| Minimum Operating Temperature (Fahrenheit) | -40 °F |
| Minimum Operating Temperature (Celsius) | -40 °C |
| Minimum Installation Temperature (Fahrenheit) | 60 °F |
| Minimum Installation Temperature (Celsius) | 15 °C |
| Application | Erosion Protection |
| Brand | 3M™ |
| Case Quantity | 1.0 |
| Aerospace Qualification | Yes - Qualified to Aerospace Specifications |
| Available Colors | Matte Clear, 36118 Gray, 36173 Gray, 36251 Gray, 36270 Gray, 36320 Gray, 36375 Gray |
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