3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681

A Flexible Foil Tape for a Range of Environments
3M™ Aluminum Foil Tape 3380 is a nominal 1.8 mil foil backed tape that excels in a range of applications and environments including low temperatures. It is excellent for general-purpose heat shielding and light reflecting applications. Its aluminum foil backing is coated with a cold weather acrylic adhesive. The aluminum backing conforms around corners and to curved and irregular surfaces with ease and is an ideal choice for applications on both fibrous and sheet metal ductwork. The adhesive performs extremely well in demanding cold and hot temperature applications. The tape is hand tearable and installs easily, eliminating the need for additional tools or applications methods.

3M™ Aluminum Foil Tape 3380 is UL723 Classified (10/10 Flame/Smoke Rating).

Recommended Applications

• Fibrous ductboard, sheet metal ducts and blankets
• Applications requiring flexibility and good temperature performance
• General purpose foil tape for a variety of applications

Excels in Demanding Temperatures
3M™ Aluminum Foil Tape 3380 is coated with a pressure sensitive cold weather solvent acrylic adhesive specifically designed for cold weather applications. This adhesive performs well in both demanding temperature and humidity applications. It adheres immediately on contact to a variety of materials, including fibrous and sheet metal ducts. With a service temperature ranging from -40°F/-40°C to 260°F/127°C, this tape can be applied in a variety of environmental conditions. Once bonded, it will provide good holding power for extended periods with good aging properties that resist lifting and curling.

3M™ Metal Foil Tapes
Aluminum is just one of the metal-backed tapes available from 3M. Our foil tapes resist failure from common sources of degradation including moisture, ultraviolet rays and many chemicals, and are commonly used for reflecting, wrapping, masking, sealing, and more in applications from air ducts to washing machines. As with all 3M products, our 3M™ Aluminum Foil Tape 3380 is supported by exclusive 3M technical expertise and application advice. 3M aluminum foil tapes are suitable for demanding applications in construction, aerospace, automotive, appliance, maintenance, repair and operations and many more segments. They are also thermally conductive for heating/cooling efficiency.

Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.