For sealing ducts and other surfaces in heating, ventilation, and air conditioning systems (HVAC), having a strong, long-lasting foil tape is essential.
The 3M Foil Tape 3340 features a combination of 2.0 mil aluminum foil backing and strong, pressure sensitive acrylic adhesive, providing a superb operational temperature range of -40°F (-40°C) to 300°F (149°C), making it ideal for sealing flexible air duct systems and rigid fiberglass duct boards.
The foil backing acts as an excellent barrier against moisture, dust, and many chemicals, ensuring durability and longevity.
The very low moisture vapor transmission rate makes the tape an effective sealant, while the acrylic adhesive offers superior temperature and UV resistance for a reliable bond.
An easy releasing poly coated kraft paper liner protects the adhesive and keeps the tape ready for use.
The 3340 tape meets UL 181 A-P and UL 181 B-FX Listings, indicating reliability and quality standards.
3M Foil Tape 3340 is utilized in various applications, including duct closure, vapor seal on reinforced fiberglass duct board, and flexible air ducts across multiple industries such as transportation, specialty vehicle, metalworking, construction, automotive, military and government, general industrial, MRO, electronics, and aerospace.
