The quality of the puzzle books printing manufacturer is related to many factors. The picture book is a commodity and art subject to visual arbitration, and the characteristics of paper are undoubtedly one of the important factors. The paper with excellent performance can complete the ink transfer completely, so that the text is clearly and fully reproduced on the paper, so as to obtain satisfactory reproduction effect. However, due to the limitations of paper and other materials and process technology, most of the color continuous tone images can not be faithfully copied and reproduced, and can only make the printed image as close as possible to the original manuscript.

The thickness of the ink film is the main factor affecting the gloss of the picture book printing. After the paper absorbs the ink linking material to a greater extent, the gloss of the puzzle books printing manufacturer can be better improved. The thicker the ink film, the more remaining bonding material, the more conducive to improving the gloss of the printed matter. It is found that the gloss increases with the thickness of ink film, which varies with different paper. Despite the same ink,

However, the trend that the gloss of printed matter formed by different papers changes with the thickness of the ink film is that when the ink film is thin, the gloss of the picture book printing decreases with the increase of the thickness of the ink film, which is because the ink film covers the original higher gloss of the paper itself, and the gloss formed by the ink film itself is reduced due to the absorption of the paper.

With the increase of the thickness of the ink film, the higher the original gloss of the paper itself is more difficult to reflect through the ink film. When the ink film thickness reaches 1.5μm, the paper's absorption of the binder is basically saturated. After that, as the thickness of the ink film continues to increase, the more storage bonding material, the gloss will continue to improve. When the ink film is thin, the gloss of the coated cardboard print increases rapidly with the increase of the ink film thickness, and after the ink film thickness increases to 3.8μm, the gloss will no longer increase with the increase of the ink film thickness. However, no matter what kind of paper, the amount of gloss increased with the increase of ink film thickness should have a certain limit.

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