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3M™ Aluminum Foil Tape 431

3M Product Number  431     
3M(TM) Aluminum Foil Tape 431
3M(TM) Aluminum Foil Tape 431
3M™ Aluminum Foil Tape 431 Silver, aluminum foil backing with acrylic adhesive.
  • High performance thin aluminum foil tape, 1.9 mil thick foil backing
  • Light weight foil tape for aerospace, appliance, automotive, U.L. 723, F.A.R. 25.853(a)
  • Resists flame, resists moisture, resists weather, resists UV degradation, chemical resistant tape, thermally conductive tape for heating and cooling efficiency, heat reflective tape, light reflective tape, conformable tape
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2 Results (Displaying results 1-2)
3M IDUPCMarketplace Formal NameColorLengthWidth
70006387446000511389532633M™ Aluminum Foil Tape 431 US Silver, 38 mm x 55m 3.1 mil, 12 rolls per caseSilver60.14 Linear Yard1.49 Inch 
70006388329000511389541543M™ Aluminum Foil Tape 431 US Silver, 38 mm x 50 m 3.1 mil, 32 rolls per caseSilver54.68 Linear Yard1.49 Inch 
2 Results (Displaying results 1-2)
3M™ Aluminum Foil Tape 431, dead-soft aluminum foil backing, excellent heat and light reflection to protect against high temperatures and U.V. degradation. The foil also serves as an excellent barrier against moisture. Acrylic adhesive supplies superior temperature, U.V. and solvent resistance. It provides excellent age life and is ideal for harsh, long-term outdoor environments. Meets F.A.R 25.853(a) and meets UL 723 Class L


Adhesion to Steel oz/in (N/100 mm)41 (45)
Adhesive TypeAcrylic
ApplicationsEMI RFI Shielding of Seams, Maximize Cooling Efficiency of Refrigerators
Backing MaterialAluminum Foil
Backing Thickness1.9 mil
Backing Thickness (metric)0.05 mm
Elongation5 Percent
IndustriesTransportation, Specialty Vehicle, Metalworking, Construction, Automotive, Military & Government, General Industrial, Appliance, Electronics, Aerospace
Length60 Linear Yard, 5 Linear Yard, 60.15 Linear Yard, 54.68 Linear Yard, 60.14 Linear Yard
Length (Metric)54.86 m, 4.57 m, 55 m, 50 m
Liner TypeKraft Paper with Silicone Release
Maximum Operating Temperature (Celsius)149 Degree Celsius
Maximum Operating Temperature (Fahrenheit)300 Degree Fahrenheit
Meets SpecificationsF.A.R. 25.853(a)
Operating Temperature Range (Celsius)-54 to 149 Degree Celsius
Operating Temperature Range (Fahrenheit)-65 to 300 Degree Fahrenheit
Product FormRoll
Shelf Life in Months (from date of manufacture)24
Tensile Strength19 lb/in
Tensile Strength (metric)338 N/100mm
Total Thickness3.1 mil
Width7.87 Inch, 0.74 Inch, 0.75 Inch, 0.98 Inch, 5 Inch, 1.96 Inch, 1 Inch, 0.47 Inch, 1.49 Inch, 19.68 Inch, 23 Inch, 0.5 Inch, 3 Inch, 2.95 Inch, 4 Inch, 2.48 Inch, 1.5 Inch, 2 Inch
Width (Metric)75 mm, 76.2 mm, 500 mm, 25 mm, 63 mm, 12.7 mm, 19.05 mm, 38 mm, 127 mm, 50.8 mm, 200 mm, 25.4 mm, 101.6 mm, 38.1 mm, 19 mm, 12 mm, 50 mm, 584.2 mm