Premium aerospace-grade polyurethane protective tape with high shear acrylic adhesive, designed for leading edge erosion protection on aircraft and rotorcraft with superior scratch and tear resistance.
3M™ Polyurethane Protective Tape 8664HS is a premium leading edge erosion protection tape designed for aerospace applications. This matte black, 6 mil thick tape features a tough thermoplastic polyurethane elastomer backing combined with a high shear strength acrylic adhesive. The tape is specifically engineered to resist minor scratches, tears, erosion, punctures and abrasion while maintaining excellent conformability over curved surfaces. It can be painted over or applied to painted surfaces, making it ideal for aircraft and rotorcraft production and maintenance environments.
The tape's exceptional durability makes it qualified to aerospace specifications and suitable for withstanding difficult conditions including rain and sand erosion. With an adhesion strength of 64 lb (70 N/100mm) and tensile strength of 20 lb/in (350 N/100mm), this tape provides reliable protection for structural components. The high shear acrylic adhesive adheres to a wide variety of substrates while retaining consistent adhesion over time, yet removes easily when necessary without leaving residue.
Designed for efficient application in demanding aerospace environments, the 3M Polyurethane Protective Tape 8664HS helps prevent structural damage to helicopter rotor blades and aircraft leading edges with minimal effect on blade track and balance. Its thin, conformable design allows for easy application on complex geometries, making it an essential product for professionals across the aerospace and related industries who demand the highest standards of quality and performance.
Key Features
- Tough thermoplastic polyurethane elastomer backing resists scratches, tears, erosion and punctures
- High shear strength acrylic adhesive provides consistent, reliable bonding to multiple substrates
- Thin and conformable design for easy application over curved surfaces
- Can be painted over or applied to painted surfaces without compatibility issues
- Qualified to aerospace specifications for demanding aircraft and rotorcraft applications
- Maintains minimal effect on blade track and balance for rotor applications
- Removes easily without leaving residue when replacement is necessary
- Matte black finish provides professional appearance and UV protection
Technical Specifications
| Specification |
Value |
| Part Number | 8664HS |
| 3M Product Number | 8664 |
| 3M ID | 7100011901 |
| Product Color | Matte Black |
| Backing Material | Polyurethane |
| Adhesive Type | High Shear Acrylic |
| Overall Thickness (Imperial) | 6 mil |
| Overall Thickness (Metric) | 0.152 mm |
| Backing Thickness (Imperial) | 4 mil |
| Backing Thickness (Metric) | 0.1 mm |
| Adhesion Strength (Imperial) | 64 lb |
| Adhesion Strength (Metric) | 70 N/100mm |
| Tensile Strength (Imperial) | 20 lb/in |
| Tensile Strength (Metric) | 350 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 | Surface Protection |
| Brand | 3M™ |
| Case Quantity | 1.0 |
| Liner Type | Dual Liner, Skip Slit Liner |
| Industry Use | Aerospace, Aircraft Production, Rotorcraft Maintenance |
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