Ink printing toy bags

Recently, the water-based ink aroused great interest in the industry. Water-based ink water dissolved as a carrier, has significant environmental security features, it is incomparable by solvent ink. This unique feature is being more and more packaging printing enterprises. Ink printing is not only applied to a lot of organic agricultural products packaging, packaging bags, children's toys are more widely used to the food packaging bags. In order to better use of ink, you should know about water-based ink claim to the version of the roll. 1, the ink on the precision of the roller, smoothness, plating have higher requirements, most of the time because of the ink dry slowly, transfer, roller screen hole depth is shallow, this time to the version of the accuracy is not high, the ink layer can not cover up version of the defects, such as some of the common 'models grain', 'washboard' and other issues are caused. Version of the surface finish is not high, the ink is not easy to clean, the very good ink metastatic, scraper scrape after adhesion on the surface of the gravure roller, ink is transferred to the printing substrate, will lead to print a dirty. So often have to increase the pressure of scraper, if the chrome plated version of roller surface layer hardness is not enough, shorten service life. 2, tall, dark parts of the depth and gradient gradient plate has bigger difference with solvent ink water-based ink transfer well, especially shallow network represent the good performance. Gravure mesh point of ink after from scraper to transfer does not change significantly between viscosity, points to complete. At this point if version roller engraving parameters according to the traditional solvent ink still version of the set, so it is easy to cause the high, the level of the dark color contrast greatly abate, tend to attend. This requires plate will change steep gradient, when the dark color parts a bit deep, middle to shallow some high-profile part, only care about this, high-profile, dark gradient to reproduce. 3, network expansion degree are larger in general, a solvent ink printing ink viscosity is low, dry slow, there are all kinds of additives and ink solvents and alcohols of help, so that the printed pattern of lines, all the extension. Coarsens, lead to print design line Angle dull, Yang greaten, Yin words become smaller, the handwriting vague and barcode scanning pass, cause waste. So we should fully take into account that when plate making, to reduce the line properly is thinner. Below show you dongguan packing plants using water-based ink printing process of the finished toys packaging bags and food packaging bags, the advantages of water-based ink: 1, high concentration of color, printing color bright; 2, because do not contain organic solvent, ensure the printing and packaging safety and health, non-toxic harmless; 3, in the production of water-based ink almost not emit volatile organic gases into the atmosphere ( VOC) , very green, this is incomparable by solvent ink
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