Foil printing

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The foil printing is similar to the print on paper. However, the coordination of printer, ink application and film is very important. Many colors do not adhere to many transparencies, and many printers and printing processes are unsuitable for printing on transparencies.

Digital printing

Laser printers and inkjet printers are a form of digital printing for printing single copies. A steadily growing branch of the printing industry is digital printing on large printing machines, where printing is carried out on film or paper as before, but digital printing is more economical than conventional offset printing for small print runs, as there are no clichés for printing and there is no set-up time for the printing machines in which the clichés are applied and the machine is set up. There are now numerous manufacturers of such digital printing machines.

A common printing method for foil prints is solvent printing, which belongs to the LFP ( Large Format Printing ) category . The printing process impresses with its very UV-resistant and strong colors. Foil prints that are used outdoors, such as lettering and shop window stickers, are usually printed using solvent printing.

A special feature is the printing of foils as a sticker behind the glass, which z. B. can be glued from the inside on a window pane and show the motif to the outside. The pane protects them from the weather and damage. Here, the motif is printed mirror-inverted on a transparent adhesive film, with the adhesive side later facing the pane. The printed side is then glued behind with another, mostly white, film.

Projector foil printing

The print on projector transparencies is usually burned in, but this requires special devices that function similarly to a conventional copier. Special, suitable foils are required for printing on projector transparencies with a laser or inkjet printer. The suitability is noted on the packaging.

See also

Individual evidence

  1. ↑ Salierdruck: Behind glass stickers - stick inside and visible outside , accessed April 28, 2018