Skip to Primary Navigation Skip to Site Navigation Skip to Main Content

3M™ Heavy Duty Aluminum Foil Tape 438 Silver, 38 mm x 400 m 7.2 mil, 2 rolls per case

3M ID  70006385531    UPC#  00021200426414    3M Product Number  438     
3M(TM) Aluminum Foil Tape 4380 2 inch x 55 yd Roll Standing
3M™ Heavy Duty Aluminum Foil Tape 438 Silver, 7.2 mil (0.18 mm) aluminum foil tape with pressure sensitive acrylic adhesive.
  • Heavy duty aluminum foil tape, 5.0 mil thick foil backing
  • Heavy duty patch tape for aircraft and truck trailer skins, barrier for vinyl coated wires in appliance industry, 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
  • Need Help?

    Questions? We can help

    Contact Us

    Overview

    3M™ Heavy Duty Aluminum Foil Tape 438, 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. Thickest aluminum foil tape. Meets F.A.R 25.853(a) and meets UL 723 Class L.

    Specifications

    Adhesion to Steel oz/in (N/100 mm) 43 (47)
    Adhesive Type Acrylic
    Backing Material Aluminum Foil
    Backing Thickness 5 Milli-inch (mil)
    Backing Thickness (metric) 0.18 Millimetre
    Brand 3M
    Color Silver
    Diameter 12.44701
    Elongation 10 Percent
    Industry - Use Aerospace, Appliance, Automotive, Construction, Electronics, General Industrial, Metalworking, Military & Government, Specialty Vehicle, Transportation
    Length 437.44 Linear Yard
    Length (metric) 400 Linear Metre
    Meets Specifications F.A.R. 25.853(a), MIL-T-47014
    Operating Temperature Range (Celsius) -54 to 149 Degree Celsius
    Operating Temperature Range (Fahrenheit) -65 to 300 Degree Fahrenheit
    Product Form Roll
    Shelf Life 24 Month
    Tensile Strength lb/in (N/100 mm) 59 (1033)
    Total Thickness 7.2 Milli-inch (mil)
    Units per Case 2
    Width 1.49 Inch
    Width (metric) 38 Millimetre