Label printing is not as simple as some people think, but it needs to be refined. The following Jinan label printing company introduces the phenomenon of imprint pulverization in printing, and explains our solution: how to avoid the phenomenon of pulverization in printing effect.

　　有些承印物，尤其是拋光涂布和粘土涂布的搪瓷制品，由于沒有足夠的粘附力將油墨牢牢固著在承印物的表面，往往只吸收油墨中的調墨油，而將金銀顏料的顆粒留在表面。在紙張印刷過程中，油墨轉移到紙張上干燥以后，用手摩擦印跡時，部分印跡被擦掉，這種現象即為印跡粉化故障。

　　Some substrate, especially polishing coating and clay coating enamel products, because there is not enough adhesion to hold the ink firmly on the substrate surface, they usually only absorb the ink blending oil in the ink and leave the particles of gold and silver pigment on the surface. In the process of paper printing, after the ink is transferred to the paper and dried, when rubbing the imprint with hand, part of the imprint is wiped off, which is called imprinting pulverization failure.

　　粉化現象導致金屬顏色從承印物表面剝落。造成印跡粉化的原因主要是由于紙張表面的毛細孔吸附油墨中的連接科。尤其是紙質疏松的紙張吸墨性強，在印刷過程中油墨轉移到紙張上后，油墨的連接料便較多的滲透到紙張里面，使有些顏料的顆粒不能被連接料包圍住，紙面上，造成印跡粉化，特別是采用自行配制的金銀墨調墨油，更容易產生粉化故障。

　　Powdering causes the metal color to peel off from the substrate surface. The reason for the pulverization of imprinting is mainly due to the pores on the paper surface adsorbing the linker in the ink. In particular, the loose paper has strong ink absorption. After the ink is transferred to the paper in the printing process, the ink connecting material will more penetrate into the paper, so that some pigment particles can not be surrounded by the connecting material. On the paper surface, the imprint will be powdered, especially with the self-made gold and silver ink inking oil, which is more prone to powdering failure.

　　產生粉化現象的主要原因是：

　　The main causes of pulverization are as follows:

　　①調墨油的濃度不足，滲透性物質含量較多，即使紙張的質地不是很疏松，也會由于連接料的過量滲透，造成印跡粉化。

　　① the concentration of inking oil is insufficient, and the content of permeable substances is more. Even if the texture of paper is not very loose, the excessive penetration of connecting materials will cause the imprinting to be powdered.

　　②金銀墨是由金銀粉末與調墨油調配而成的．粉末與連接料的親和性能較差。當轉印到紙面上后，使過多的連接料脫離金銀粉末滲透到紙張內部，造成印跡粉化。

　　(2) gold and silver ink is made of gold and silver powder and ink blending oil. The affinity between the powder and the binder is poor. When transferred to the paper surface, too much connecting material is separated from the gold and silver powder and permeated into the paper, resulting in the pulverization of the imprint.

　　鑒于以上原因，在金銀墨印刷時，要先印一遍底色墨，然后，采用疊印的方式再印上金墨或銀墨。一方面利用底色墨降低紙張對金銀墨連接料的吸收；另一方面，在底色墨未完全干燥時印金銀墨，能使金銀墨與底色墨牢固結合，避免印跡粉化。此外，為避免粉化故障，應將水的用量設置到更小，這是因為水的飽和度較高的油墨更易發生粉化。

　　In view of the above reasons, when printing gold and silver ink, it is necessary to print the background color ink once, and then print gold or silver ink by means of overprinting. On the one hand, the use of background ink reduces the paper's absorption of gold and silver ink connecting materials; on the other hand, printing gold and silver ink when the background ink is not completely dry can make the gold and silver ink firmly combined with the background ink and avoid the pulverization of the imprint. In addition, in order to avoid pulverization failure, the amount of water should be set to the minimum, which is because ink with higher water saturation is more prone to pulverization.

　　當在高涂布紙或搪瓷表面進行刷時，應在油墨中加入適量的干燥劑。在使用金或銀墨印刷之前，通常用一種上膠涂布的常規油基透明白墨密封承印物表面。如果粉化現象已經發生，在層表面上再印一層油墨常會彌補或減輕這種現象。加印調墨油也可以克服粉化，但這樣會影響金屬的光澤。要想獲得效果，建議使用金屬版而不使用靜電印版，這可以避免潤版液包含有過量的甘油或乙二醇，因為這些不揮發的液體介質會減慢干燥速度。

　　When brushing on the high coated paper or enamel surface, a proper amount of desiccant should be added to the ink. Before printing with gold or silver ink, the substrate surface is usually sealed with a conventional oil-based transparent white ink coated with glue. If the phenomenon of pulverization has occurred, printing another layer of ink on the first surface will often make up or reduce this phenomenon. Adding ink transfer oil can also overcome pulverization, but this will affect the luster of the metal. For best results, it is recommended to use metal plate instead of electrostatic plate, which can avoid excessive glycerin or glycol contained in the fountain solution, because these non-volatile liquid media will slow down the drying speed.

　　以上是濟南標簽印刷公司為大家介紹的如何避免產生粉化現象的相關內容，想要了解更多信息，歡迎訪問網站：http://www.seven2000.com

　　The above is about how to avoid pulverization introduced by Jinan label printing company. For more information, please visit http://www.jingyinshua.com