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Paint protection film (PPF, also called clear bra, clear film or clear paint film) is a thermoplastic urethane often self-healing film applied to painted surfaces of a new or used car in order to protect the paint from stone chips, bug splatters, and minor abrasions. This film is also used on airplanes, RVs, cell phones, electronics, screens ...
On the top of photovoltaic cells, the transparent PVF film protects against moisture, while the white-pigmented film is used on their bottom surface. [ 4 ] PVF films are non- adhering to phenolic , acrylic and epoxy resins and can be therefore used as release films , usually in high-temperature processing of these resins .
The casting process produces a thin gauge film—usually 1- to 2-mil thick. By casting film on a sheet, the film stays in a more relaxed state, resulting in a durable, flexible, conformable and dimensionally stable film that retains color well. These films are ideal for complex surfaces such as vehicles and where a smooth finished look is expected.
The film thickness is selected for level of protection desired and the dimensions of the glass pane. Manufacturers recommend 100 micrometer film (2 ply) for glass up to 3 mm (1/8 in) and 175 micrometer film for glass over 6 mm (1/4 in). These films can be applied for security applications, where a delay of forced entry is desired.
A film blowing machine involves one process used to make plastic film. Extruded tubular processing is most often used with polyethylene films but can be used with other polymers. [ 1 ] The film may be laminating film, shrink film , agricultural covering film, bags or film for textiles and clothing , and other packaging materials.
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A definition of an open-source film is based on the OSI's open-source software definition [1] and the definition of free cultural licenses. [2] This definition can be applied to films where: The license of the movie is approved for free cultural works. Specifically this is true for the Creative Commons licenses by and by-sa.
Computer to film (CTF) is a print workflow involving printing of a design file from a computer straight to a film through an imagesetter. Designs are typically created in desktop publishing software packages. An imagesetter is an ultra-high resolution large-format computer output device for CTF.