Printing process for corrugated paper packaging
Printing process for corrugated paper packaging
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The screen printing process is to stretch silk fabrics, synthetic fiber fabrics, or metal screens on the screen frame, and use manual engraving paint film or photochemical plate-making methods to make screen printing plates. Modern screen printing is the use of photosensitive materials to make screen printing plates by photoengraving. When printing, the ink is transferred to the corrugated cardboard through the mesh of the graphic part through the squeezing of the blade to form the same graphic as the original. The corrugated paper box adopts the screen printing process, which is the way of printing directly on the corrugated paper box.
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The screen printing process has the characteristics of flexible production, stable printing quality, low platemaking and printing costs, thick ink color, high color saturation, and strong visual effects. It is very competitive in the market.
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Gravure process
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The gravure printing process is also divided into roll paper and flat paper printing presses. There are multiple models of color groups and functions. The printing process has the characteristics of high printing plate and high printing resistance, and fast printing speed. Because the gravure ink layer is thick, the printing ink color is full and full of three-dimensional impression, the layout printing layer is rich, the texture is strong, and the printing ink color drying speed rubber block, so it is more suitable for printing products with large printing area and heavy ink volume. Compared with offset printing, flexographic printing, or screen printing, this process is less prone to print color differences, and the quality of printed products in cartons is the highest.
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However, since the gravure printing plate is made of steel roller material through electroplating, ESC and other processing processes, the plate making process is more complicated, so the plate making cost is also more expensive, and the plate changing operation is more cumbersome, so it is more suitable for batch comparison. Large preprinted carton printing can effectively reduce production costs.
