What Is Offset Printing?
Posted in Advertising on February 18th, 2010 by Myra Santos – Be the first to commentPrinting service is used by most organizations for different purposes such as marketing and intra-company communications. Offset printing is the most commonly used printing technique and learning about it is therefore helpful and important.
The users and the printers like offset printing because of its cost effectiveness for the production of large number of prints. That is why for bulk orders any good printing company would advise you to go for offset printing.
This printing technique uses oil-based ink, which is not soluble in water. In offset printing, rubber blankets play a transitional role in copying the image on the paper, which is to begin with on the plate.
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The process begins by developing the designs. When offset printing started, the images had to be made by the use of film negatives and they were later transferred to aluminum plates. However, a modern printing company would now prepare the plates directly by using an image setting system. This plate is then placed on a cylinder with the correct side up. Then the water and ink are spread on the image plates, in that order. The ink is spread over the image and to prevent it from spilling, a thin layer of water is put over the remaining part of the plate.
The image is then taken from the plates to the rubber blanket spun on another cylinder, so that it is reversed. The image is reversed to its correct side by transferring the image to sheets that have been cut according to the need and are put on a different cylinder.
The task of printing is finished by the printing company by providing the final touches to the printed sheets using staples or paste or in any other way as per the needs of the client.
Discover more about brochure printing and printing services from a trusted printing company.