, sobre una plancha metálica, compuesta generalmente de una aleación de aluminio. Offset printing is a method of copying documents and images on paper or similar materials developed by Ira Rubel early twentieth century, which involves applying ink, usually oily, on a metal sheet, usually made of aluminum alloy . It is a process similar to lithography. The plate making ink in areas where there is a hydrophobic compound (also known as Oleophilic) and the rest of the plate (hydrophilic area) is doused with water to repel the ink, the image or text is transferred by pressure to a rubber blanket to pass, finally, the paper by pressure.

So that offset printing?
Offset printing allows the reproduction of large quantities of prints at reduced cost, often used for printing large runs of magazines, pamphlets, books, etc..

How does the offset printing system?
It is based on the principle of repulsion between water and fat, the way print is indirect, through a rubber blanket and from there onto paper. The images are separated into four colors with different intensities, - cyan, magenta, yellow and black so-called four-color, the combination of these provides a wide range of colors that can be printed.

Advantages:

• It is cheaper to run projects of high and medium
• This system is faster than the gravure or flexography, since there is less preparation time plate

The offset printing is only recommended when the volume printed on very high and when the message and content to communicate to the customer is always the same and not change.

If your company has various products, whether to compete to have a constant presence and innovative in the market to be competitive, if you have presence in different market segments, its printing solution will probably for digital printing.