Venture Tape 1581A-CW is a 2.0 mil (50μm) high temperature, high tensile strength aluminum foil coated with an extremely aggressive all weather solvent acrylic pressure sensitive adhesive. Conformable foil applies easily to both fibrous and sheet metal ducts on flat and irregular surfaces. Venture Tape 1581A excels in demanding temperature and humidity applications and provides superior performance and durability over a wide range of environmental conditions. It is UL listed and meets the requirements of UL181A-P and UL181B-FX.