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