3M Foil Tape [UL 181 A & B listed/Linered] (3340): 2-1/2 in. x 30 ft. (Silver)
- An essential requirement for sealing ducts and other surfaces for heating, ventilation and air conditioning systems is foil tape that can stand up to hot and cold temperatures. The foil backing of 3M 3340 serves as an excellent barrier against moisture, dust, and many chemicals. The very low moisture vapor transmission rate makes the tape a good sealant and the acrylic adhesive supplies superior temperature and UV resistance to give you a strong, lasting, and reliable bond..
- 3M Foil Tape is used in industries such as transportation, metalworking, construction, automotive, military and government, general industrial, electronics, aerospace, and more..
- Product applications include high-performance duct closures, high strength aluminum foil backing is ideal for rigid duct board and flexible duct, vapor seal on reinforced fiberglass duct board, excellent for hot and humid conditions, excellent performance and durability in any weather conditions, cold weather adhesive, and no special tools or process required for application..