Corrugated cardboard began at the end of the 18th century. At the beginning of the 19th century, because of its light weight, low price, wide range of uses, easy production, and recyclability or even reuse, its application has increased significantly. By the beginning of the 20th century, it had been widely popularized, promoted and applied for making packaging for various commodities. Because the packaging container made of corrugated cardboard has its unique properties and advantages for beautifying and protecting the goods inside, it has achieved great success in the competition with a variety of packaging materials. It has become one of the main materials for packaging containers that has been used for a long time and has shown rapid development.
Corrugated cardboard is made by bonding face paper, lining paper, core paper and corrugated paper processed into corrugated corrugations. According to the needs of commodity packaging, corrugated cardboard can be processed into single-sided corrugated cardboard, three-layer corrugated cardboard, five-layer, seven-layer, and eleven-layer corrugated cardboard (as shown in Figure 1 and Figure 2). Single-sided corrugated cardboard is generally used as a protective layer for product packaging or to make light card grids and pads to protect the product from vibration or collision during storage and transportation. Three-layer and five-layer corrugated cardboard are used in the production of corrugated boxes. common. Many products are packaged in simple and exquisite packaging with three or five layers of corrugated cardboard. Beautiful and colorful graphics and pictures are printed on the surface of corrugated boxes or corrugated boxes. This not only protects the inner products, but also promotes and beautifies the inner ones. commodity. Many corrugated boxes or corrugated boxes made of three-layer or five-layer corrugated cardboard have been directly on the sales counter and become sales packaging. Seven-layer or eleven-layer corrugated cardboard is mainly used to make packaging boxes for electromechanical, flue-cured tobacco, furniture, motorcycles, and large household appliances. In specific commodities, this combination of corrugated cardboard can be used to make inner and outer boxes, which is convenient for production and convenient for the storage, storage and transportation of commodities. With the need of environmental protection and the requirements of relevant national policies, commodity packaging made of this type of corrugated cardboard has a tendency to gradually replace wooden box packaging.
