Professional-grade aluminum foil tape with pressure-sensitive acrylic adhesive for industrial sealing, heat shielding, and flame protection applications. Conformable, thermally conductive, and resistant to moisture, UV, and chemicals.
3M™ Aluminum Foil Tape 4380 is a self-wound, general purpose aluminum foil backed tape combined with a pressure sensitive acrylic adhesive. This premium industrial tape features a 2.0 mil dead soft aluminum foil backing that offers an excellent reflective surface and is thermally and heat conductive for superior heating and cooling efficiency. The tape is malleable and conforms exceptionally well to uneven, curved, or irregular surfaces, making it ideal for complex applications.
This versatile tape is specifically engineered to resist flame, moisture, weather, UV degradation, and many chemicals, providing long-lasting durability in demanding industrial environments. The conformable design combines with low moisture vapor transmission rate to offer excellent sealing and patching performance. 3M™ Aluminum Foil Tape 4380 adheres immediately upon contact and maintains consistent performance across a wide spectrum of temperatures ranging from -30°F/-34°C to 300°F/149°C, making it suitable for both extreme cold and high-heat applications.
With its pressure sensitive acrylic adhesive designed to bond to a broad range of substrates, this tape is UL 723 approved and recommended for general use holding, patching, sealing, light reflecting, heat shielding, and moisture vapor barrier applications. Each case contains 12 rolls of 60-yard length, providing substantial coverage for industrial, occupational, and commercial projects requiring reliable thermal and flame protection.
Key Features
- Conformable aluminum foil backing resists flame, moisture, weather, UV degradation and many chemicals
- Thermally conductive tape reflects and dissipates radiant heat to protect heat-sensitive components
- Malleable foil conforms exceptionally well to irregular shapes, curved and uneven surfaces
- Low moisture vapor transmission rate provides excellent sealing and patching performance
- Pressure-sensitive acrylic adhesive bonds immediately to broad range of substrates
- Wide operating temperature range from -30°F to 300°F for extreme environments
- UL 723 approved for industrial and occupational safety compliance
- Superior reflective surface enhances lighting efficiency and heat management
- Excellent aging performance both indoors and outdoors
- 12 rolls per case providing 720 total yards of coverage
Technical Specifications
| Specification |
Value |
| Product Model | 3M™ Aluminum Foil Tape 4380 |
| Product Number | 4380 |
| 3M ID | 7010295790 |
| UPC Code | 00051138962975 |
| Backing Material | Aluminum Foil (Dead Soft) |
| Adhesive Type | Pressure-Sensitive Acrylic |
| Backing Thickness (Imperial) | 2 mil |
| Backing Thickness (Metric) | 0.05 mm |
| Adhesive Thickness (Metric) | 0.05 mm |
| Total Tape Thickness (Imperial) | 3.3 mil |
| Total Tape Thickness (Metric) | 0.08 mm |
| Width (Imperial) | 4 inches |
| Width (Metric) | 101.6 mm |
| Length per Roll (Imperial) | 60 yards |
| Length per Roll (Metric) | 54.86 meters |
| Tensile Strength (Imperial) | 160 oz/in |
| Tensile Strength (Metric) | 17.5 N/100mm |
| Elongation at Break | 4% |
| Minimum Operating Temperature (Fahrenheit) | -30°F |
| Minimum Operating Temperature (Celsius) | -34°C |
| Maximum Operating Temperature (Fahrenheit) | 300°F |
| Maximum Operating Temperature (Celsius) | 149°C |
| Product Color | Silver |
| Units per Case | 12 rolls |
| Total Coverage per Case (Imperial) | 720 yards |
| Total Coverage per Case (Metric) | 658.32 meters |
| Regulatory Approval | UL 723 Approved |
| Moisture Vapor Transmission | Low rate |
| Brand | 3M™ |
| Recommended Industries | Aerospace, Appliance, Construction, Specialty Vehicles, Transportation |
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