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3M™ Aluminum Foil Tape 439 Silver, 36 in x 60 yd 3.1 mil, 1 roll per case Bulk

3M ID  70006389640    UPC#  00051138955472    Part Number  439    3M Product Number  439     
3M(TM) Aluminum Foil Tape 439
3M(TM) Aluminum Foil Tape 439
3M(TM) Metal Foil Tapes Family
3M™ Aluminum Foil Tape 439 Silver, Linered version of Tape 431, 3.1 mil (0.08 mm) aluminum foil backing with acrylic adhesive.
  • High performance thin aluminum foil tape, 1.9 mil thick foil backing, 5.6 mil liner
  • Die cut aluminum foil tape parts, light weight, 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
  • Automotive, Aerospace, HVAC, Appliance, Military, Government, Defense, Marine, Metal Finishing, Electronics, Recreational Vehicle, Construction, General Industrial
  • Masking, sealing, seaming, shielding, chemical stripping, harness wrapping, joining, vibration damping, electroplating, plastic protection, chemical milling, heat shielding, heat reflecting, paint stripping
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3M™ Aluminum Foil Tape 439, linered version of 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. Linered version for die cut applications. 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
Backing MaterialAluminum Foil
Backing Thickness1.9 mil
Backing Thickness (metric)0.05 mm
Elongation3 Percent
IndustriesTransportation, Specialty Vehicle, Metalworking, Construction, Automotive, Military & Government, General Industrial, Appliance, Electronics, Aerospace
Length60 Linear Yard
Length (Metric)54.86 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 Strength18 lb/in
Tensile Strength (metric)315 N/100mm
Total Thickness3.1 mil
Width36 Inch
Width (Metric)914.4 mm