A very personal On the one hand, the plates have a photosensitive and lipophilic film. They are monochrome, they can only transfer one color, so the image must be treat before being transferr to the plate. To create the plates, we must first decompose the image according to the cmyk color mode. Through the combination of these four color inks, together with the white of the paper, we will be able to obtain a wide range of very real colors, with the exception of metallic and fluorescent colors, for which the use of special inks is requir. Once we have the four metal plates, one for each cmyk color, already treat.
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With photosensitive film, they are mount inside the bodies of the printer machines. The plates are plac on a roller. On the one hand he will be in contact with the dampers and on the other with the “inkers”. The iron will receive water on one side and Ghana Mobile Database ink on the other. Due to the lipophilic nature of the emulsion on the plate and the pre-treatment it carries, the area with the image will correctly receive the ink, while the untreat area will repel it. This is how it is possible to transfer the ink to the rubber in the shape of the image, to later be transferr from the rubber to the paper.
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The paper will go through a last roller to come out with the image already transferr and print. The printing order of the four inks is usually black, cyan, magenta and yellow. It begins with the darkest ink and ends with the most transparent, which WS Phone List usually acts as a protective ink. Offset printing can print, in addition to cmyk inks, any other flat ink such as pantone inks. Offset printer printing offset printing machine advantages and disadvantages of offset printing offset printing has several advantages but also some drawbacks.
