Expert Yogi
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| In order to get better color reproduction in kraft paper printing, it is more difficult than SBS paper printing. In particular, it is more careful to achieve accurate color reproduction on ordinary kraft board than on bleached kraft board. Because the common kraft paper itself is dark brown,Excellent Printed Design Empty Cardboard Chocolate Gift Box
Kraft paper
The effect of printing ink is quite different from that of printing on bleached paper. Therefore, it is best to use bright color ink, use more eye-catching color, so the printing effect is better. Soft color and light color are the most difficult to achieve the desired ink density, opacity and wear resistance. In addition, if necessary, you can add a little white in the ink first, it will be conducive to achieve the required soft tone or light color, which is very useful for copying soft color and light color. With the increasing maturity of printing technology, some manufacturers even use UV ink, effectively improving the printing color effect. At present, almost all ink manufacturers have developed ink for primary color cardboard, and many ink manufacturers have also developed ink for printing on kraft paper. Therefore, before determining the best plan for the work, we should consult the ink manufacturer, select different ink formulations according to the printing needs of our factory, refer to the ink chromatography provided by the ink manufacturer and the printing effect of ink on different paper, and finally determine the best ink we choose.
Reasonable selection of inkHigh Quality Velvet Ring Bracelet Jewelry Gift Box
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, and printing ink will pull down the paper fiber (also called pull off paper wool)
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Pay attention to printing color
