Black protective film applied to fixing flexible flat cable and manufacturing method thereof

The invention discloses a black protective film applied to fixing a flexible flat cable and a manufacturing method thereof. The black protective film comprises a surface film, glue and a bottom film.The upper surface of the bottom film is uniformly coated with the glue, and the surface film is adhered to the upper surface of the glue. The method comprises the following steps: A, heating and pre-shrinking a whole roll of facial masks on a release paper delivery frame by using a 'floating support type', rolling by using a paper collection frame, and then putting the facial masks on a plane material delivery frame; B, unwinding the bottom film; C, coating the existing bottom film with glue through a release paper sending frame; D, putting the bottom film coated with the glue into a drying oven to be dried; E, flatly attaching the surface film to the bottom film coated with the glue; and F, winding through a paper winding frame to obtain a finished product. The whole roll of the mask is heated and pre-shrunk in a