Aerospace-grade polyurethane protective tape with 6 mil thickness, offering 60x better protection than paint. UV stable, temperature resistant (-40°F to 250°F), and designed for co-curing into composite structures to reduce maintenance costs and aircraft downtime.
3M™ Polyurethane Protective Tape 8734NA is an aerospace-grade protective film engineered specifically for composite parts subjected to harsh environmental conditions. This revolutionary co-curable film provides a permanent, durable barrier against impact, erosion, sand, dust, and rain damage, offering 60 times the protection of conventional paint. The medium gray polyurethane tape features a 6 mil thickness and is designed to be integrated directly into composite structures during manufacturing through autoclave or vacuum bag processing, creating a tough, repairable surface that dramatically reduces maintenance costs and aircraft downtime.
The tape is UV stable and temperature resistant, operating reliably between -40°F and 250°F, making it ideal for harsh aerospace environments. Its unique conformability allows it to be applied to most surfaces, and it can be layered or stacked to provide extra protection where needed. Unlike traditional coatings, this protective film forms an integrated barrier that is resistant to abrasion, erosion, scratches, punctures, and impact damage. The innovative design enables fast, easy installation with options for co-curing into composite structures or adhesively bonding onto pre-cured parts.
Developed in partnership with aerospace industry experts, 3M™ Polyurethane Protective Tape 8734NA offers superior performance characteristics and is resistant to most aviation fluids. The tape is uniquely formulated for use with 3M structural adhesive films and is available up to 24 inches wide. When damage occurs, it is easily repairable using 3M™ Scotch-Weld™ Repair Paste 2110, extending the service life of composite aircraft parts while simultaneously reducing overall assembly and repair costs.
Key Features
- Co-curable film provides permanent, durable barrier against impact and erosion damage
- Offers 60 times better protection than conventional paint and coatings
- UV stable and temperature resistant from -40°F to 250°F for harsh environments
- Can be layered or stacked to provide customized protection where needed
- Easily repairable with 3M Scotch-Weld Repair Paste 2110 for extended service life
- Applied via autoclave or vacuum bag processing for reduced cycle times
- Resistant to abrasion, erosion, scratches, punctures, and impact damage
- Available up to 24 inches wide for various aerospace applications
- Conformable to most surfaces with unique flow characteristics
- Resistant to most aviation fluids for superior performance
Technical Specifications
| Specification |
Value |
| Product Name | 3M Polyurethane Protective Tape 8734NA |
| Part Number | 8734NA |
| 3M Product Number | 8734NA |
| 3M ID | 7100122264 |
| Backing Material | Polyurethane |
| Product Color | Medium Gray |
| Adhesive Type | Non-adhesive |
| Application | Surface Protection |
| Backing Thickness (Imperial) | 6 mil |
| Backing Thickness (Metric) | 0.15 mm |
| Overall Thickness (Imperial) | 6 mil |
| Overall Thickness (Metric) | 0.152 mm |
| Tensile Strength (Imperial) | 35 lb/in |
| Tensile Strength (Metric) | 613 N/100mm |
| Maximum Operating Temperature (Fahrenheit) | 250°F |
| Maximum Operating Temperature (Celsius) | 121°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 |
| Maximum Width Available | 24 inches |
| Case Quantity | 1.0 |
| Brand | 3M |
| Industry Application | Aerospace |
| Processing Method | Autoclave or Vacuum Bag |
| UV Stability | UV Stable |
| Fluid Resistance | Resistant to most aviation fluids |
| Repair Material Compatible | 3M Scotch-Weld Repair Paste 2110 |
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