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3M™ Heavy Duty Aluminum Foil Tape 438

UPC#  00021200426414    Part Number  438    3M Product Number  438     
3M(TM) Heavy Duty Aluminum Foil Tape 438
3M(TM) Heavy Duty Aluminum Foil Tape 438
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
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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.


 Adhesion to Steel oz/in (N/100 mm)‎ 43 (47)‎
 Adhesive Type‎ Acrylic‎
 Backing Material‎ Aluminum Foil‎
 Backing Thickness‎ 5 mil‎
 Backing Thickness (metric)‎ 0.18 mm‎
 Brand‎ 3M‎
 Color‎ Silver‎
 Elongation‎ 10 Percent‎
 Industries‎ Transportation‎ ,  Specialty Vehicle‎ ,  Metalworking‎ ,  Construction‎ ,  Automotive‎ ,  Military & Government‎ ,  General Industrial‎ ,  Appliance‎ ,  Electronics‎ ,  Aerospace‎
 Length‎ 437.44 Linear Yard‎
 Length (Metric)‎ 400 m‎
 Maximum Operating Temperature (Celsius)‎ 149 Degree Celsius‎
 Maximum Operating Temperature (Fahrenheit)‎ 300 Degree Fahrenheit‎
 Meets Specifications‎ F.A.R. 25.853(a)‎
 Operating Temperature Range (Celsius)‎ -54 to 149 Degree Celsius‎
 Operating Temperature Range (Fahrenheit)‎ -65 to 300 Degree Fahrenheit‎
 Product Form‎ Roll‎
 Shelf Life in Months (from date of manufacture)‎ 24‎
 Tensile Strength‎ 59 lb/in‎
 Tensile Strength (metric)‎ 1033 N/100mm‎
 Total Thickness‎ 7.2 mil‎
 Width‎ 1.49 Inch‎
 Width (Metric)‎ 38 mm‎