Biaxially oriented protective film with long service life

The utility model discloses a two-way stretching protective film with long service life, which relates to the technical field of protective films and comprises a main body, a rotating roller is arranged in the main body, a stretching-resistant mechanism is arranged on the outer surface of the upper end of the main body, and a protective device is arranged on the outer surface of the lower end of the main body. Under the combined action of the polyethylene coating, the polypropylene coating, the polyester coating and the wear-resistant coating, the tensile resistance of the protective film can be improved, the protective film is not easy to damage, and the polyethylene coating and the polypropylene coating both have good tensile strength and good sealing adaptability and can also be used as sealing layers, so that the service life of the protective film is prolonged. Under the combined action of the spacing layer, the release agent layer, the noise reduction layer and the adhesive coating, the protective film