3M™ Aluminum Foil Tape 439, Silver, 1.375 in x 60 yd, 3.1 mil, 8 Rolls/Case Grain & Powder 3M SKU: 7010486921

3M SKU: 7010486921

3M SKU: 7010517871

3M SKU: 7100254906

3M SKU: 7010517148

3M SKU: 7010492835

3M™ Aluminum Foil Tape 439, Silver, 1.375 in x 60 yd, 3.1 mil, 8 Rolls/Case Grain & Powder 3M SKU: 70104869213M SKU: 7100229358 Lead Time: ~24 days Our 3M Aluminum Foil Tape 439 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. Classified by UL to UL 723, Class "L" for low flammability rating. Dead soft aluminum