7010314251

3M™ Aluminum Foil Tape 431, Silver, 5 in x 60 yd, 3.1 mil, 2 Rolls/Case. The 3M™ Aluminum Foil Tape 431 is a high-performance foil tape designed for numerous applications across a broad range of industries. Comprised of a dead soft aluminum foil backing with a highly engineered pressure sensitive acrylic adhesive, it is ideal for heat shielding, heat reflecting, light enhancement, seaming and sealing.