3M Scotch Fine Line Tapes This polypropylene film tape has a special processed film backing that allows taping over freshly painted acrylic lacquer or enamel surfaces sooner and with less chance of imprint damage & provides the finest color separation line possible in multi-color striping applications. Can be used for lettering, striping, and two-tone separation lines in all types of trucks and auto refinishing accounts. NOT designed for outdoor application.