3M™ Heavy Duty Aluminum Foil Tape 438, Silver, 7.2 mil, Roll, Config

3M™ Heavy Duty Aluminum Foil Tape 438 is a high-performance foil tape designed for numerous applications across a broad range of industries. Comprised of a dead soft aluminum foil backing with a highly engineered pressure sensitive acrylic adhesive, it is ideal for heat shielding, heat reflecting, seaming and sealing.
Special Price $0.85 Regular Price $1.00
UPC 00021200900556
3M ID 7100132837
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Withstands Exposure to High Heat and Humidity

Consisting of a dead soft, thermally conductive aluminum backing, 3M™ Heavy Duty Aluminum Foil Tape 438 dissipates heat over the surface of the tape to reduce hot spots and protect the substrate from the effects of high temperatures. Coated with highly engineered acrylic adhesive, it is capable of withstanding exposure to high heat and humidity while maintaining a strong and reliable bond. This tape can withstand a variety of moisture, weathering, UV and solvents in order to provide an excellent work life, indoors or out.

3M™ Aluminum Foil Tape 438 is UL Recognized to UL 746C (File E 122798) and Classified by UL to UL 723 "L" for low flammability rating (File R 7311). It meets F.A.R 25.853(a). Temperature use range is from -65°; to 300°F (-54°; to 149°C).

Recommended Applications

Heat shielding of delicate parts Heat reflecting Moisture barrier Seaming and sealing Refrigerator and freezer coil attachment

Plastic protection against heat and UV exposure


  • Heavy duty dead soft aluminum foil backing provides increased effectiveness for head shielding in demanding applications
  • Highly engineered acrylic adhesive provides long term durability, but removes cleanly after harsh masking applications
  • Withstands exposure to flame, weathering, moisture and UV
  • Heat and light reflective tape protects surfaces and enhances lighting efficiency
  • Recognized by UL to UL 746C and Classified by UL to UL 723, Class "L" for low flammability rating
More Information
3M ID 7100132837
Keywords aluminum foil tape
Global Product Hierarchy Tapes > Foil Tapes > Aluminum Tapes
Backing (Carrier) Thickness (Imperial) 5.0 mil
Backing Material Aluminum Foil
Backing (Carrier) Thickness (Metric) 0.13 mm
Color Family Gray
Product Color Silver
Product Number 438
Product Type simple
Quantity 0
Shelf Life 24.0 Month
Trademark 1 3M™
Country of Origin United States
Sales Unit RO
SAP Shelf Life In Days 730
Base - Billing Unit ROL
Base - Item Quantity 1
Base - Unit ROL
Shipper - Total Unit Quantity 1
Shipper - Previous Packaging Level Quantity 1
Pallet - Total Unit Quantity 99999
Pallet - Previous Packaging Level Quantity 99999
Pallet - Previous Packaging Level Unit BOX
Pallet - Pallet Layer Quantity 1
Pallet - Shipping Container Per Layer Quantity 1
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