Material of packaging carton.
Update:Feb 05,2024
Summary:The material of the packaging carton： There are three levels of packaging cartons, the third, fifth and seventh layers are made of different material......
The material of the packaging carton： There are three levels of packaging cartons, the third, fifth and seventh layers are made of different materials; The thickness of the three-layer carton is about 3.5 mm, the thickness of the five-layer carton is about 7 mm and the thickness of the seven-layer carton is about 9 mm. Each layer is made of different paper, each paper has different colors and properties, and the paper used by each manufacturer is also different. 1. Tea board paper The color of tea board paper is gray and not delicate, which belongs to ordinary quality paper, and is mostly used in cartons separated by that layer of soft paper. 2, corrugated base paper Corrugated base paper is formed by bonding multiple layers, and its basic composition is a corrugated core paper interlayer and a cardboard. This paper has excellent resistance and can play a good role in protecting against bumps and falls during transportation. However, it is not suitable for long-term use in a high temperature environment, which will affect its strength. 3. Cowhide cardboard This kind of paper is mostly used for boxboard paper, which is divided into cowhide and imitation cowhide. The former is characterized by long fiber, heavy glue and rough cardboard, and mostly uses pure wood pulp or imported cowhide cardboard with a small amount of OCC. The latter is characterized by only a small amount of wood pulp hanging on the surface, and the rest is OCC. The fiber is not long, the strength is not very good, and the surface is dyed with domestic kraft paperboard. 4. White cardboard As the name implies, the surface is white wood pulp, and the rest are dyed like recycled paper. The two markets are general, the former is mostly used in Japan, South Korea, Sweden, Finland and other countries, and the latter is called C-class box board.
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