3M 431 Aluminum Foil Tape Silver, 3/4 in x 60 yd

3M(TM) Aluminum Foil Tape 431 Silver, 3/4 in x 60 yd 3.1 mil 3M(TM) Aluminum Foil Tape 431 Silver, 3.1 mil (0.08 mm) aluminum foil backing with acrylic adhesive. 3M(TM) Aluminum Foil Tape 431, 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. 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) and meets UL 723 Class L