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Under the condition of the same paper and ink, due to the problems in the operation process, the finished luster of the album is often different after printing. Without considering the gloss treatment after printing, what are the ways to improve the gloss of custom Spiral YO book printing? Let's take a look!1, improve the acid wetting fluidThe acidic wetting liquid used in China for decades is mainly chromic acid and phosphoric acid, although diluted, the PH value is still between 3.5 and 5.6. The stronger the acidity is, the gr... more