Premium 3M aluminum foil tape with 1.8 mil backing and cold weather acrylic adhesive, ideal for HVAC ducts, heat shielding, and industrial sealing applications from -40°F to 260°F with UL723 classification.
3M™ Aluminum Foil Tape 3380 is a premium multi-purpose foil tape engineered for demanding industrial applications in both cold and hot temperature environments. Featuring a nominal 1.8 mil aluminum foil backing coated with a pressure-sensitive cold weather acrylic adhesive, this tape excels in applications requiring flexibility and superior temperature performance. The tape is specifically designed to bond and seal at temperatures as low as -10°F/-23°C, making it ideal for cold weather applications while maintaining excellent performance in hot temperatures and high humidity environments.
This versatile aluminum foil tape is engineered for use on fibrous and sheet metal ducts, providing excellent general-purpose heat shielding and light reflecting capabilities. The flexible foil backing conforms smoothly to curved and irregular surfaces, eliminating the need for special tools or complex application methods. With a hand-tearable construction and easy-release liner, the tape installs conveniently on-site without additional equipment. The adhesive performs exceptionally well in demanding conditions, adhering immediately upon contact to various materials and providing good holding power for extended periods with excellent aging properties that resist lifting and curling.
3M™ Aluminum Foil Tape 3380 is UL723 classified with a 10/10 Flame/Smoke rating, providing superior protection against moisture, ultraviolet light, and environmental exposure. With a service temperature range from -40°F/-40°C to 260°F/127°C, this industrial-grade tape is suitable for aerospace, appliance, construction, maintenance, repair and operations, and transportation applications. As an industrial/occupational product intended for trained professionals, it delivers competitive performance and reliability backed by exclusive 3M technical expertise and application support.
Key Features
- Nominal 1.8 mil aluminum foil backing for excellent durability and heat shielding
- Cold weather acrylic adhesive designed for bonding and sealing at temperatures as low as -10°F/-23°C
- Flexible foil construction conforms smoothly to curved and irregular surfaces
- Hand-tearable and easy to install without special tools or application methods
- UL723 classified with 10/10 Flame/Smoke rating for superior fire safety
- Service temperature range from -40°F/-40°C to 260°F/127°C for demanding environments
- Easy release liner for convenient application on-site
- Pressure-sensitive acrylic adhesive bonds immediately upon contact to multiple materials
- Excellent aging properties resist lifting, curling, and environmental degradation
- Ideal for fibrous and sheet metal ducts, heat reflecting, and general-purpose sealing applications
Technical Specifications
| Specification |
Value |
| Product Number | 3380 |
| Brand | 3M™ |
| Backing Material | Aluminum Foil |
| Backing Thickness (Imperial) | 2 mil |
| Backing Thickness (Metric) | 0.05 mm |
| Adhesive Type | Acrylic (Cold Weather Pressure-Sensitive) |
| Overall Width (Imperial) | 12 inches |
| Overall Width (Metric) | 304.8 mm |
| Overall Length (Imperial) | 60 yards |
| Overall Length (Metric) | 54.86 meters |
| Total Tape Thickness without Liner (Imperial) | 3.3 mil |
| Total Tape Thickness without Liner (Metric) | 0.08 mm |
| Foil Thickness | Nominal 1.8 mil |
| Tensile Strength (Imperial) | 10 lb/in |
| Tensile Strength (Metric) | 17.5 N/100mm |
| Elongation at Break | 4% |
| Minimum Operating Temperature (Fahrenheit) | -30°F to -40°F |
| Minimum Operating Temperature (Celsius) | -34°C to -40°C |
| Maximum Operating Temperature (Fahrenheit) | 260°F |
| Maximum Operating Temperature (Celsius) | 127°C |
| Application Temperature Range | -10°F/-23°C and above |
| Primary Liner | Natural Kraft Paper |
| Color | Silver |
| UL Classification | UL723 (10/10 Flame/Smoke Rating) |
| Packaging | 1 Roll per Case |
| UPC Code | 00051131178243 |
| 3M ID | 7010370746 |
| Product Type | Industrial/Occupational Use Only |
| Recommended Applications | Fibrous ductboard, sheet metal ducts, blankets, heat shielding, general-purpose foil tape |
| Industries | Aerospace, Appliance, Construction, MRO, Specialty Vehicles, Transportation |
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