The rapid development of the corrugated box industry is facing the test of pre-printing effect

[ppzhan Abstract] With the increasing awareness of environmental protection, paper packaging is becoming more and more popular in daily use. Among them, corrugated boxes have become the norm and become the guest of e-commerce.

Corrugated carton packaging is the corrugated cardboard wrapped in a carton after die cutting, indentation, nail box or glue box. With the development of the economy, the market puts higher demands on corrugated carton packaging. It not only has the basic functions of protecting goods and facilitating transportation, but also requires the function of promoting products and promoting sales. In order to achieve this goal, packaging and printing manufacturers will be thinking about moving to corrugated boxes, so corrugated box pre-printing processing came into being.

Corrugated box pre-printing is to pre-print the relevant pattern before the corrugated board is completed. At present, the quality of most flexographic pre-printed cartons in China is still in the middle and low-end state, and the printing speed needs to be improved. The domestically adopted is still the corrugated production line to produce corrugated cardboard, the slotted chamfering indentation by the cardboard printing slotting machine, or the process of stamping, post-gluing or nailing into a box by offset printing.

In fact, the seemingly uncomplicated corrugated box preprinting has various "demanding requirements" for many production elements. If it is printed by cardboard printing machine, the corrugated paperboard is composed of facial paper, core paper and inner paper, and has a hollow structure. The surface of the corrugated cardboard is not flat, and the pressure at the valley radius and the valley peak is inconsistent, which may cause the phenomenon of the washboard. At the same time, the precision of the printing machine is not high, the printing quality is low, and it is difficult to realize the promotion and promotion function of the packaging on the goods. If the offset printing sheet is printed on the sheet, the pattern is cut into a box, and a beautiful pattern can be printed. However, in the process of confrontation, due to the pressure applied to the corrugated medium and the excessive moisture of the colloid, the technical indexes such as the flat compressive strength, the bursting resistance and the adhesive strength of the carton are difficult to meet the requirements of the product for packaging.

It can be seen that in the process of pre-printing, many factors can affect the quality of the printing results, and then directly affect the publicity effect. With the increasingly fierce competition in the market economy, marketing has become a business. Therefore, in order to achieve effective and effective publicity, we must do a good job in all aspects of the pre-printing process of corrugated boxes. For example, on paper, white cardboard should be selected, which can fully express the color of the printing pattern, and can withstand the test of the corrugating process of corrugated high-temperature drying tunnel. In the ink, it is necessary to select ink with high temperature resistance and good wear resistance. This is all about printing high-end corrugated boxes.

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