3M™ Aluminum Foil 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. Acrylic adhesive
supplies superior temperature, U.V. and solvent resistance. It provides excellent age life and is ideal for harsh, long-term outdoor environments. Meets F.A.R. 25.853(a), O447.

  • Used to seal cut edges of 3M™ Interam™ Endothermic Mat E-5A-4 in order to complete total encapsulation
  • Thermally-conductive, dead-soft aluminum backing combined with a transparent acrylic adhesive backing
  • 4.6 mils thick, aluminum foil backed, 4 in. x 60 yd. roll

Product Datasheet