***DISCONTINUED PER MANUFACTURER***3M™ PTFE Film Tape 5480, Gray, 1/2 in x 36 yd, 3.7 mil, 18 Roll/Case. 3M™ PTFE Skived Film Tape 5480 uses a skived, polytetrafluoroethylene (PTFE), conformable film backing. This tape offers an extremely low coefficient of friction which, in combination with a pressure sensitive silicone adhesive, creates a smooth, non-stick surface over a variety of substrates to assist in the movement of web materials in many types of roll-wrap applications.