The printing process of colorful box mainly includes lithographic printing, also known as offset printing, PS plate printing, and flexographic printing, four-color and above printing. In addition, there are post-processing techniques such as laminating, partial UV, hot stamping, and embossing to make the colorful box packaging more exquisite and beautiful.
1.Laminating:Laminating film can be divided into two types: light film(Gloss Lamination) and dumb film(Matte Lamination). It is to cover the surface of the printed product with a plastic film, and use an adhesive to bond it together after heating and pressing to form a paper-plastic printing process technology. The light film can make the surface of the product brighter and enhance the expression of the product. The surface of the product covered with the matte film will not reflect light, and it is elegant and enhances the image of the packaging product; mainly used for paper above 200g, when the solid color part has a crease process Laminating process will be used.
2.Lithographic Printing:It can be divided into two types: instant-coated and pre-coated. It means that the graphic part and the blank part of the printing plate are almost on the same plane. The ink and water are selectively absorbed by different parts of the printing plate to achieve oil-water balance on the same plane, so that the graphic imprint is clear and complete; currently the most widely used pre-coated photosensitive lithography.
3.Flexographic Printing: It is a method of printing using a flexographic printing plate and transferring ink through an anilox roller. It is a type of letterpress printing process, referred to as flexo, which has good printing quality, high production efficiency, simple and convenient operation and maintenance, and high printing speed. Features. The graphics and text parts of the flexographic printing plate are raised. During printing, the anilox roller uniformly coats the ink layer of a certain thickness on the graphics and text parts of the printing plate. Transfer to the surface of the substrate to form a clear picture and text.
There are many color box printing processes, and customers choose the appropriate printing process according to their own needs. In cooperation with carton printing manufacturers, it is important to choose a professional packaging box manufacturer.
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