Flexographic anilox rolls

Anilox roll—an engraved cylinder which transfers from inking rollers to the printing plate on a flexographic unit. 

Because water-borne inks involve specihc color densihes relative to the flexographic printing process, so too must UV hexo inks. Hence, to obtain the same color density as water-borne inks, the anilox roll must deliver approximately 35% less in the form of UV flexo inks to the substrate at a specihc viscosity for efficient ink transfer to the substrate. Generally, UV hexo inks have viscosihes in the range... 

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Coating thickness limitations are inherently defined by the flexographic process. When engraved anilox rolls transfer coatings to printing plates and in turn to substrates, the process rarely delivers less than 19% or more than 24% of the cell s wet coating content to the substrate surface [3]. There are therefore clear boundaries as to the amount of coating that can be delivered to a substrate surface. These boundaries are defined in Table 9.2. 

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