Premium 18 mil polyurethane protective tape with high shear acrylic adhesive for aerospace leading edge erosion protection. Offers exceptional resistance to scratches, tears, erosion and punctures with excellent conformability over curved surfaces.
3M™ Polyurethane Protective Tape 8681HS is a premium 18 mil leading edge erosion protection tape specifically designed for aerospace applications. This advanced protective tape features a tough thermoplastic polyurethane elastomer backing combined with a high shear strength acrylic adhesive, providing exceptional resistance to scratches, tears, erosion, and punctures. The tape is engineered to prevent structural damage to helicopter rotor blades and aircraft components while maintaining minimal effect on blade track and balance.
This conformable tape is easy to apply and conforms seamlessly over curved surfaces, making it ideal for both aircraft and rotorcraft production and maintenance operations. The high shear acrylic adhesive adheres to a wide variety of substrates and retains consistent adhesion over time, yet removes easily when necessary without leaving residue. The tape can withstand difficult environmental conditions including rain and sand erosion, and is qualified to aerospace specifications for superior performance and reliability.
Available in multiple color options including matte clear, 36118 Gray, 36173 Gray, 36251 Gray, 36270 Gray, 36320 Gray, and 36375 Gray, this versatile protective solution can be painted over or applied to already painted surfaces. 3M's commitment to engineering reliability and longevity into all products ensures this tape reduces waste, rework, and maintenance time while adding significant value to aerospace operations.
Key Features
- Tough thermoplastic polyurethane elastomer backing with high shear strength acrylic adhesive
- Exceptional resistance to scratches, tears, erosion and punctures for long-lasting protection
- Conformable design that easily applies and conforms over curved surfaces
- Can be painted over or applied to painted surfaces without adhesion loss
- Qualified to aerospace specifications for helicopter rotor blades and aircraft components
- Retains consistent adhesion over time yet removes easily when necessary
- Withstands difficult environmental conditions including rain and sand erosion
- Available in multiple color options for various aerospace applications
Technical Specifications
| Specification |
Value |
| Product Number | 8681HS |
| Part Number | 36173 |
| UPC Code | 00048011571607 |
| Backing Material | Polyurethane (Thermoplastic Elastomer) |
| Adhesive Type | High Shear Acrylic |
| Backing Thickness | 18 mil (0.3 mm) |
| Overall Width | 6 inches (152.4 mm) |
| Overall Length | 36 yards (32.9 m) |
| Product Color | Medium Dark Gray |
| Liner Type | Skip Slit Liner |
| Case Quantity | 2 rolls per case |
| Adhesion Strength | 135 lb/100mm (148 N/100mm) |
| Tensile Strength | 88 lb/in (1540 N/100mm) |
| Minimum Operating Temperature | -40°C (-40°F) |
| Maximum Operating Temperature | 82°C (180°F) |
| Minimum Installation Temperature | 15°C (60°F) |
| Application | Erosion Protection |
| Brand | 3M™ |
| Aerospace Qualification | Qualified to aerospace specifications |
| Available Colors | Matte Clear, 36118 Gray, 36173 Gray, 36251 Gray, 36270 Gray, 36320 Gray, 36375 Gray |
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