3M(TM) Aluminum Foil Tape 439 Silver, 2.80 in x 120 yd 3.1 mil 3M(TM) Aluminum Foil Tape 439 Silver, Linered version of Tape 431, 3.1 mil (0.08 mm) aluminum foil backing with acrylic adhesive. 3M(TM) Aluminum Foil Tape 439, linered version of Tape 431, dead-soft aluminum foil backing, excellent heat …
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3M(TM) Aluminum Foil Tape 439 Silver, 2.80 in x 120 yd 3.1 mil 3M(TM) Aluminum Foil Tape 439 Silver, Linered version of Tape 431, 3.1 mil (0.08 mm) aluminum foil backing with acrylic adhesive. 3M(TM) Aluminum Foil Tape 439, linered version of 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. Linered version for die cut applications. Meets F.A.R 25.853(a) and meets UL 723 Class L
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