This Nashua Foil Tape is a high-quality, premium-grade duct tape that is perfect for use in a variety of settings. With a tensile strength of 50 lb./in. and a thickness of 14.00 mil, this silver-colored duct tape is made from polyethylene-coated cloth and is UL 181B-FX and CEC certified. It has a rubber adhesive that provides a strong hold, with an adhesion strength of 40 oz./in., and can withstand temperatures ranging from 40°F to 200°F. The tape comes in a continuous roll that is 48mm wide and 55m long, with a diameter of 6.950". It is suitable for use in HVAC applications, as well as for sealing and patching in a variety of industrial, commercial, and residential settings. This item is brand new and is shipped in a package containing one roll of duct tape.