3M Foil Tape UL181A-P and UL181B-FX listed Duct Tape 3340, 2.5 in x 50 yd, 3.9 mil
3M Foil Tape UL181A-P and UL181B-FX listed Duct Tape 3340, 2.5 in x 50 yd, 3.9 mil is backordered and will ship as soon as it is back in stock.
What's In The Box?
What's In The Box?
- 3M Foil Tape 3340 Aluminum Tape (50 yards)
3M Foil Tape UL181A-P and UL181B-FX listed Duct Tape 3340, 2.5 in x...
This 3M Foil Tape 3340 is designed for sealing ducts and other surfaces for HVAC systems. This strong, long-lasting foil tape has an impressive operation temperature range of -40 to 300 degrees F. With a 2.0 mil aluminum foil backing plus strong, pressure-sensitive acrylic adhesive, it’s ideal for sealing rigid fiberglass duct boards and flexible air duct systems.
- UL Listed: The aluminum duct tape is listed for both UL181A-P and UL181B-FX
- Thermally Conductive Backing: The strong, long-lasting foil tape is resistant to hot and cold temperatures, increasing the system's efficiency.
- Barrier: The foil backing is also an excellent barrier against moisture, dust, and chemicals. The low moisture vapor transmission rate makes it a good sealant.
- Acrylic Adhesive: This pressure-sensitive adhesive also provides superior temperature and UV resistance for a durable, long-lasting bond.
- Kraft Paper Liner: This easy-to-release poly-coated kraft paper protects the adhesive and keeps the tape clean and ready for use.
Key Specifications
- Tensile Strength: 29.0 lb/inch
- Tape Thickness: 4 mil
- Elongation at Break: 10 percent
- Backing Material: Aluminum Foil
- Adhesive Type: Acrylic
- Dimensions: 50 yards x 2.5 inch Wide
Many Uses
This 3M aluminum tape can be used across many industries for a wide variety of applications, such as vapor sealing on reinforced fiberglass duct board, high-performance duct closure, and sealing flexible duct to rigid duct.
- Transportation
- Specialty Vehicle
- Metalworking
- Construction
- Automotive
- Military and Government
- General Industry
- MRO
- Electronics
- Aerospace
Sylvane’s Expert Take
3M Foil Tape 3340 Aluminum Tape is applicable to many applications and is UL-listed for use with HVAC systems. Its thermally conductive backing assists heating and cooling efficiency and withstands high and low temperatures, making it an effective and durable barrier.
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Classification ListingsUL 181A-P/B-FX
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Tensile Strength (lb/in)20
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Total Tape Thickness (mils)4
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TypeDuct Tape
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Adhesive TypeAcrylic
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Backing MaterialAluminum Foil
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ColorGray
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Maximum Operating Temperature (degrees F)250
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Minimum Operating Temperature (degrees F)-30
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Overall Length (yds)50
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Width (in.)2.5
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Width (with front cover) (in.)2.5
