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What is the UV process for photo book printing?

Time: 2020-12-28 Hits: 192

We can often hear that the cover of the photo book printing to do Spot UV. So what is UV process? UV is Ultraviolet. In the printing industry, it is a special ink processing technology, Also called UV varnishing process. The cover of the album after partial UV processing, the part that needs to be special is more obvious. For example, the logo has undergone partial UV processing, and the logo part will be raised and particularly bright after varnish. The text and pictures after UV processing are more textured, more three-dimensional, and more artistic, giving the finishing touch effect. Take a look at the following partial UV renderings.


According to the UV area, it is divided into: full-page UV and partial UV.


The full-page UV effect is generally not very obvious. On the surface, it is similar to the over-varnish, but it is more bright than the over-varnish, but it does not protect the surface of the printed matter, while the over-varnish has an effect on the surface of the printed matter. Certain protective effects, such as preventing scratches. Smell it with your nose, the smell is rather unpleasant, there is a paste smell of plastic.


There are also many types of UV inks. These inks often have special gloss and texture, including mirror ink, matte ink, foaming ink, wrinkle ink, hammer ink, colored sand ink, snowflake ink, ice ink, pearl ink, crystal ink, Laser ink and so on. What we commonly use is mirror UV. It can be seen from the literal meaning that after partial UV on a certain part of the printed matter, the surface is like a mirror, and it is very smooth to the touch. The part of the partial UV feels compared to other parts of the printed matter. There is a clear boundary, which is more three-dimensional.


The equipment used by UV is called UV curing machine, the principle is to cure UV ink through ultraviolet light. Local UV can be implemented after coating or directly on the printed matter, but in order to highlight the effect of local UV. It is usually carried out after the printed matter is covered with a film, and the sub-film is mostly covered, accounting for about 80% of the local UV products. The printed matter after UV is generally difficult to recycle.

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