3M™ aluminium Foil Tape 431 Silver, aluminium foil backing with acrylic adhesive.
3M™ aluminium Foil Tape 431, dead-soft aluminium 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