Offset printing is a type of lithographic printing. Very simply speaking, offset printing is a printing method that transfers the pictures on the printing plate to the substrate with the help of rubber (rubber cloth). It is also the existence of the rubber blanket. name. The blanket plays an irreplaceable role in printing, such as: it can make up for the unevenness of the surface of the substrate, so that the ink can be fully transferred, it can reduce the water on the printing plate (the role of water in printing will be described later) ) Transfer to the substrate and so on. The above is just a general concept. The offset printing we usually say now may be narrower, that is, the lithographic printing method with three cylinders (plate, blanket, embossing). This printing method is called in the south of China. For offset printing.
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