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3M™ Aluminum Foil Tape 3381 Silver, 72 mm x 45 m 2.7 mil, 16 rolls per case

3M ID  70006448123    UPC#  00051115318719    Part Number  3381    3M Product Number  3381     
3M(TM) Aluminum Foil Tape 3381
3M(TM) Aluminum Foil Tape 3381
3M™ Aluminum Foil Tape 3381, annealed aluminum foil, acrylic pressure sensitive adhesive. The foil also serves as an excellent barrier against moisture, dust, flame, and certain chemicals. Acrylic adhesive supplies superior temperature, U.V. and solvent resistance.
  • 1.4 mil general purpose aluminum foil backing with acrylic adhesive. UL 723 classified.
  • Conforms to irregular surfaces. Excels in demanding temperature and humidity applications.
  • Cold weather applications. Acrylic adhesive performs well over a wide temperature range
  • Appliance, specialty vehicle, transportation, construction, RV
  • Light reflecting, heat shielding, moisture barrier, thermal conducting, sealing, splicing
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Applies to both fibrous and sheet metal ducts and conforms to irregular surface. US Coast Guard approve for interior finishes. Conforms to British Standard BS 476: Part 7: Class 1: Part 6, Class 0.


Adhesion to Steel oz/in (N/100 mm)40 (43.8)
Adhesive TypeAcrylic
ApplicationsSealing HVAC & Duct Work
Backing MaterialAluminum Foil
Backing Thickness1.4 mil
Backing Thickness (metric)0.04 mm
IndustriesTransportation, Specialty Vehicle, Construction, Appliance, Aerospace
Length49.21 Linear Yard
Length (Metric)45 m
Liner TypeNatural Kraft Paper
Maximum Operating Temperature (Celsius)121 Degree Celsius
Maximum Operating Temperature (Fahrenheit)250 Degree Fahrenheit
Meets SpecificationsUL 723
Operating Temperature Range (Celsius)-34 to 121 Degree Celsius
Operating Temperature Range (Fahrenheit)-30 to 260 Degree Fahrenheit
Product FormRoll
Tensile Strength10 lb/in
Tensile Strength (metric)180 N/100mm
Total Thickness2.7 mil
Width2.83 Inch
Width (Metric)72 mm