Car film can be divided into dyed film, ordinary metal film, precious metal film, multi-layer optical film and so on according to different materials. What characteristics do they have?

    Dyeing film refers to the lowest grade automotive film, which is thin, non-insulating and easy to fade.

    Coating and printing film is a unique process in Korea, which is generally thicker. This film has better thermal insulation, but slightly less see-through.

    The ordinary metal film is made by sputtering metal on the colorless original film layer. Generally, the metals used are aluminum, iron, etc. This film is generally produced in China, India and Japan, the United States and so on. The most common on the market is this metal film. The film composition is generally made by heating and evaporating the metal on the film base material, but this film has general transparency and general heat insulation, and the price is not low. General beauty shops often use this film to pretend to be the top film. Many well-known brands are actually just this kind of ordinary metal film. Because they entered the market earlier, consumers also mistakenly think that this kind of film is a high-end film.

    Precious metal film, as its name implies, this film is also sputtering metal on the colorless original film layer, but the difference is that the sputtering is all precious metals such as chromium, titanium, and platinum. In addition, the sputtering method of such a film is "magnetron sputtering". This is a complicated process. This film is characterized by natural color, good light transmission and good heat insulation.

    The multi-layer optical film is made by multi-layer polyester film technology, which is another technical trend of high-end film. Through multi-layer extrusion technology, 240 layers of polyester film are superimposed together to make only 0.05mm thick. The thermal insulation film has the characteristics of high visible light transmittance, good heat insulation, long life, and no electromagnetic signal interference.

    Learn more about PVB multifunctional film here.