The 3M Foil Tape 15D128 is a 2" wide, 60 yard long aluminum foil tape with an acrylic adhesive. It has a thickness of 3.6 mils and is used for HVAC, insulation, and moisture sealing applications. The acrylic adhesive provides good adhesion to sheet metal, glass, wood, plastic, and painted surfaces. It can withstand temperatures up to 250°F. The foil backing provides reflection of heat and light. This industrial-grade tape conforms well to irregular surfaces.