The manufacturing materials of cardboard are basically the same as paper, and due to its high strength and easy folding characteristics, it has become the main production paper for packaging paper boxes. There are many types of cardboard, with a thickness generally between 0.3 and 1.1mm.
Corrugated cardboard: It mainly consists of two parallel flat sheets of paper as the outer and inner paper, with corrugated core paper processed by corrugated rollers sandwiched between them. Each sheet of paper is bonded to the corrugated paper coated with adhesive.
Corrugated board is mainly used to make outer packaging boxes to protect goods during the circulation process. There are also finer corrugated paper that can be used as the inner lining of cardboard packaging to reinforce and protect goods. There are many types of corrugated paper, including single sided, double sided, double layered, and multi-layer.
White paperboard is made of chemical pulp mixed with pulp, including ordinary white paperboard and cowhide pulp. There is also a type of white cardboard made entirely from chemical pulp, also known as high-grade whiteboard paper
Yellow cardboard refers to low-grade cardboard made from pulp produced by the lime method using rice straw as the main raw material. It is mainly used as a fixed core for pasting inside the cardboard box.
Cowhide cardboard: made from kraft pulp. One side hanging cowhide pulp is called single-sided cowhide cardboard, and two sides hanging cowhide cardboard are called double-sided cowhide cardboard.
The main function of corrugated cardboard is called kraft cardboard, which has a much higher strength than ordinary cardboard. In addition, it can be combined with water resistant resin to make water resistant cowhide cardboard, which is often used in the packaging box of beverages
Composite processing cardboard: Refers to cardboard made by composite processing of composite aluminum foil, polyethylene, oil resistant paper, wax, and other materials. It compensates for the shortcomings of ordinary cardboard, making the packaging box have various new functions such as oil resistance, waterproofing, and preservation.
Post time: May-09-2023