Printing classification knowledge

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1, letterpress printing

Letterpress refers to a plate with a protruding picture. Letterpress printing refers to the method of ink printing on the protruding part of the graphic. For example, lead printing, newspapers, rotary letterpress printing and printing plastic woven bags, printing carton flexible flexographic printing and so on.

2, lithographic printing

Lithography refers to the fact that the layout of the graphic is flat. Strictly speaking, it is a micro convex because it is not easily perceived. Lithographic printing is based on the fact that fat and water are mutually exclusive and resist. At the time of plate making, the graphic part is oleophilic and the non-graphical part is hydrophilic. Such as lithography, offset printing, printing, etc.

3, gravure printing

The intaglio graphic portion is concave, and gravure printing refers to a printing method in which the concave portion is inked onto the surface of the substrate. For example, engraving gravure and gravure. Photo gravure refers to plastic surface printing, plastic inlay (composite), UV gravure and so on.

4, mesh printing

The principle is to let the ink pass through the empty part of the mesh plate and filter it on the substrate. Such as stencil printing, screen printing.

5, electrostatic printing

Also known as non-engraving printing, the photocopying process is accomplished using photocopiers with the aid of a copier.