3M 427

3M™ Aluminum Foil Tape 427, Linered version of Tape 425, 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, dust, flame, and certain chemicals as used in aircraft paint stripping masking. Acrylic adhesive supplies superior temperature, U.V. and solvent resistance. It provides excellent age life and is ideal for harsh, long-term outdoor environments. Linered version for applications requiring die cutting. Meets F.A.R 25.853(a), UL 723 Class L and UL 746C.

For 3M™ data sheet click here

3M™ Foil Expansion Brochure click here

 

Features

  • Heat and flame resistance
  • Moisture resistance
    • Protection from
    • Dirt
    • UV degradation
  • Most chemicals
  • Thermally conductive
  • Reflects heat and light
  • Variable liner and adhesive backings

Applications

  • Heat shielding
  • Paint strip masking
  • Light reflection
  • Wire harness wrapping
  • Thermal conductivity
  • Duct sealing

Markets

  • Appliance
  • Construction
  • Aerospace
  • Specialty Vehicles
  • Metal Finishing
  • Electronics
  • Manufacturing

 

Backing Thickness (mils): 2.8
Total Thickness (mils): 4.6
Liner/SW (self-wound): Liner
Adhesive: Acrylic
Adhesion to Steel oz./in. (N/100 mm): 50 (55)
Tensile Strength lbs./in. (N/100 mm): 30 (525)
Temp. Range: -65 to 300°F (-54 to 149°C)

 

 

We slit in rolls or die-cut to your exact specifications. To place an order or learn more about this product click below: