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SKU 7010337233
Legacy SKU 70008502067
UPC 00051125854641
Catalog Number 438
Product Number 438

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.

  • 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
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On it's way to you May 30  

Qty

Minimum Order 8 Rolls
Order Increment 8 Rolls
  High Temperature Resistance
  Durable
  Global Shipping
  Industry Low Price Per Roll
Product Dimensions
Imperial Metric
Width 6 in 152.4 mm
Length 60 yd 54.86 m
Shipping Dimensions
Weight 15.5 lb
Length 6.8 in
Width 6.8 in
Height 16.2 in
Color Silver

PRODUCT FAQ

  1. What is 3M™ Heavy Duty Aluminum Foil Tape 438 used for?

    This tape is designed for heavy-duty sealing and securing of joints, seams, and connections in HVAC ductwork.

  2. Is this tape flame-resistant or heat-resistant?

    Yes! It contains a rubber adhesive to withstand flames and heat.

  3. How easy is the 3M™ Heavy Duty Aluminum Foil Tape 438 to use?

    The backing tears easily by hand, so it's super simple to use without scissors. The acrylic adhesive makes it stick strong with little pressure required.

  4. What size options are available if I want to buy other rolls besides the one you mentioned earlier?

    This tape comes in different sizes from .5 inches up to as wide as 60 yards!

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Withstands Exposure to High Heat and Humidity

3M™ Heavy Duty Aluminum Foil Tape 438 is a reliable solution for heat dissipation and substrate protection. It is made of a dead soft, thermally conductive aluminum backing that reduces hot spots and withstands high temperatures. The tape is coated with a highly engineered acrylic adhesive that maintains a strong bond even when exposed to high heat and humidity. It can also withstand moisture, weathering, UV, and solvents, making it suitable for indoor and outdoor use.

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) and has a temperature use range of -65°F to 300°F (-54°C 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
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