3M™ VentureTape Aluminum Foil Welding Tape, 3 IN x 50 Yards, 3243-W520

3M™ Venture Tape 3243 is a 2.0 mil (50 m) annealed aluminum foil coated with a high temperature, extremely aggressive solvent acrylic pressure sensitive adhesive. Specifically designed for high heat flue closure applications, Venture 3243 applies easily to sheet metal ducts on flat and irregular surfaces. Venture Tape 3243 excels in demanding temperature applications and provides superior performance and durability over a wide range of environmental conditions. Temperature range is -40F to 425F.