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Reasonable selection of ink As kraft paper is different from SBS board and general printing paper, it is uncoated, looser than bleached board, with many pores on its surface and strong permeability, which needs to be considered comprehensively in ink application and coating. For example, according to the analysis of the characteristics of kraft paper, flexographic printing is generally better than offset printing. Due to the rough surface of kraft paper, soft texture, strong ink absorption, matte print color, Folosește hârtie specială și cerneală ecologică specială din nanomateriale pentru a imprima imagini pe orice mediu solid [...]