3M aluminum foil tape 3380 is a nominal strength, dead soft aluminum foil coated with an acrylic pressure sensitive adhesive. The malleable foil applies easily to both fibrous and sheet metal ducts and conforms to irregular surfaces. This tape excels in demanding temperature and humid applications and provides good performance and durability over a wide range of environmental conditions. 3M aluminum foil tape 3380 also serves as a good barrier against dust, moisture, flame and many chemicals. The pressure sensitive acrylic adhesive provides good temperature, ultraviolet and solvent resistance to produce a strong, lasting and reliable bond. This tape combines superior quick stick with excellent low temperature performance and meets requirements of UL 723. Aluminum is just one of the metal backed tapes available from 3M . Our line of foil tapes resist failure from many common sources of degradation, including moisture, UV rays and many chemicals. As with all 3M products, our aluminum foil tape 3380 comes with exclusive 3M technical expertise and application advice. 3M aluminum foil tape 3380 helps meet application challenges in the transportation, specialty vehicle, construction and appliance industries. Let it work for you.