Corrugated cardboard boxes are made of corrugated cardboard and are the most widely used paper container packaging in transportation packaging. Corrugated boxes are widely used because of their many unique advantages. The following corrugated box manufacturers will let everyone know the advantages of corrugated boxes.

Corrugated cardboard has two layers of corrugated cardboard, three layers of corrugated cardboard, five layers of corrugated cardboard, and even seven layers of corrugated cardboard. Then, what kind of cardboard is usually used for fruit carton packaging, because double-layer corrugated cardboard is a liner, a layer of corrugated base paper is bonded at 20%, and the cost is low, and it is only used as a separator and liner in fruit packaging; Three-layer corrugated cardboard, generally used for inner packaging, also used for grid board or layering. Liner; double corrugated cardboard, that is, five-layer corrugated cardboard, usually used for export packaging due to its good compressive strength.

Problems that should be paid attention to in the layout design of corrugated boxes

According to the tension principle in the corrugated board forming process, the moisture content of the base paper entering the single-sided machine during the corrugating forming process is preferably 9% to 12%. Higher values ​​do not work, lower values ​​will affect the quality of the cardboard, so how do we control the temperature? Here are the control methods for two situation.

What insert is suitable for paper box besides EVA?

The base paper used to make cartons mainly includes white cardboard, corrugated paper, tea board paper, ordinary box board and kraft box board paper, etc. The production processes and materials of these base papers are different, and the standards are also different. There are two types of coated white paperboard:

At present, the demand for corrugated boxes with waterproof performance is increasing, especially in the packaging of vegetables, food, electrical appliances and export products, which has greatly promoted the development of the corrugated box manufacturing industry.