Scotch Aluminum Foil Tape 3311 is a flexible, dead-soft, aluminum foil-backed tape designed for general purpose applications. It has a paper liner for easy handling and features a high-tack, pressure-sensitive rubber adhesive, making it suitable for adhering to difficult surfaces such as low-energy substrates. The tape is silver in color, with a thickness of 0.0036 inches, and has a polyester backing combined with a silicone/rubber adhesive blend. Available in a 2-inch by 5-yard roll, custom sizes can be requested.