|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.
|- Heat and light reflective tape protects surfaces and enhances lighting efficiency
- 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
- Recognized by UL to UL 746C and Classified by UL to UL 723, Class "L" for low flammability rating
- Withstands exposure to flame, weathering, moisture and UV