What problems should be avoided in book printing china?

There are customers who need printing product. Color printing has become a common type of printing, so do you know how to avoid the common problems in book printing china? The following is a detailed introduction:

1. The metamorphic

Ink loss of fluidity, viscosity rise, gloss, resulting in poor adhesion, the rest of the ink can not be used. Therefore in the occurrence of abnormal, should be replaced with new ink or all. In recent years, the socialist market economy of our country develops deeply. No matter what kind of enterprises, even families and individuals, the identification of brand requirements are higher and higher, which directly leads to the increasing demand for color printing. Therefore, it is imperative to avoid and solve the common problems of color printing.

2. Drying slowly

If the drying speed is too slow, it will lead to precipitation, so that the guide roller pollution, sticking. The drying rate of diluent solvent is too slow, when the special solvent can not fully meet the requirements, the application of fast drying solvent. Plate depth is too deep, if you have to use a deeper plate depth, should use a quick dry solvent, and slow down the printing speed.

3. The seal

The phenomenon of the printing ink of the previous edition being transferred to the layout of the next edition. Ink adhesion is not sufficient. The ink film of the previous printing is dissolved on the next plate. In addition, printing speed is too slow is also a reason, so to improve the speed.

4. The arc pit

When the printing surface is dried with high heat, the drying of the surface layer progresses rapidly, and the solvent sealed inside suddenly boils out to the surface. Urgent gathering hot air drying can only promote the drying of the surface, so the dryer had better use low temperature - high temperature - low temperature or arch temperature curve. In addition to the ink in the use of slow drying solvent, to slow down the drying rate.

More information for book printing china, pay attention to https://www.bookprintingchina.com/.