First, the gloss is not good, the brightness is not enough main reason: 1. The viscosity of UV varnish is too small, and the coating is too thin. 2. Excessive dilution of non-reactive solvents such as ethanol. 3. UV oil coating is uneven. 4. The paper is too absorbent. 5. The anilox roller i ---MORE---
The reproduction work of the printed matter is color restoration, tone reduction, texture restoration, and resolution restoration. The so-called tonality is the color classification by lightness, the color is three variables, the neutral gray is a three-dimensional color space, the neutral gray is ---MORE---
So far we have adopted a two-step process for the printing of corrugated board, that is to print the surface layer first and then laminate it together with the corrugated medium. This method should be replaced by a one-step approach. Now, Roland 900 has been able to directly print G-type corrugate ---MORE---
Group adjustment The process of group edition is also an important aspect affecting the quality of color newspapers. The use of layout colors will affect the orientation, theme and style of the entire layout. Therefore, the typesetting personnel must use color reasonably and make appropriate adju ---MORE---
How to keep your product from being overwhelmed by a variety of shelves? A nice or unique package may work. Packaging design is equivalent to live advertising and often plays a role in the last critical moment when consumers decide to purchase. If you design a challenge, you can save a considerab ---MORE---
In the printing production process, sometimes paper or printing products attract each other to stick together and it is difficult to separate. This phenomenon is the phenomenon of electrostatic printing. In the dry climate in winter, the phenomenon of static electricity on printed paper is particu ---MORE---
1, adhesive fastness is not high, carton degumming. Degumming refers to the cracking of sticky joints due to insufficient adhesiveness. The main reasons are summarized as follows: (1) Adhesives have insufficient viscosity or insufficient glue. (2) The adhesive and carton material do not match. ---MORE---