Lithographic printing (also known as lithography or “litho”) is based on the principle that oil and water do not (easily) mix during the printing process, the plate is treated so that the image areas will be receptive to oil/repel water, the non-image areas will be receptive to water/repel oil, and the two areas will remain separate due to the natural repulsion between oil and water. Planographic printing refers to printing methods in which the image and non-image areas exist together on a flat plate, as opposed to raised or relief printing in which the different areas sit on two distinct layers. Lithographic Printing - What is lithographic printing? Definition of LITHOGRAPHIC PRINTING:Ī method of printing this process creates an image through planographic printing, using an aluminium plate coated with water and ink to carry both the image and non-image areas of an image, before the ink (and therefore the image) is transferred onto the substrate using pressure.
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