The packaging paper box belongs to the common packaging category in the packaging and printing of paper products;
The materials used include corrugated paper, cardboard, gray base plate, white card and special art paper, etc;
Some also use cardboard or multi-layer light embossed wood board to combine with special paper to obtain a more solid supporting structure.
There are also many products suitable for carton packaging, such as common drugs, food, cosmetics, home appliances, hardware, glassware, ceramics, electronic products, etc.
In terms of structural design, the carton shall be changed according to the packaging requirements of different products.
As for drug packaging, the requirements for packaging structure of tablets and bottled liquid medicine are quite different. Bottled liquid medicine requires high-strength and extrusion resistant cardboard to form a solid structure to form a protective layer.
In terms of structure, it is generally combined inside and outside. The inner layer usually also uses a fixed medicine bottle device. The size of the outer package is closely related to the size of the bottle.
Some packaging cartons are disposable, such as household tissue boxes, which need not be extremely firm, but need to use paper products that meet the requirements of food hygiene packaging to make boxes, and are also very economical in terms of cost.
Cosmetic packaging box is a representative of material and technology. Hard box packaging uses advanced white card, with a fixed structure and size;
In terms of printing technology, many manufacturers choose more reliable anti-counterfeiting printing, cold foil technology, etc;
Therefore, the printing materials and processes with bright colors and difficult anti duplication technology are more popular among cosmetics manufacturers.
Paper boxes also use more complex structures and a variety of materials, such as colorful gift packaging, high-end tea packaging, and even the once popular Mid Autumn Festival gift cake packaging box;
Some packages are designed to protect the product more safely and highlight its value and luxury, while others are designed solely for packaging, which does not conform to the practical functions of packaging described below.
Cardboard is the main material used in cartons. Generally, the paper with a fixed weight of more than 200gsm or a thickness of more than 0.3mm is called paperboard.
The raw materials of paperboard are basically the same as that of paper. Because of its high strength and easy folding, it has become the main production paper for packaging cartons. There are many kinds of paperboard, and the thickness is generally between 0.3 mm and 1.1 mm.
Corrugated Board: It mainly consists of two parallel flat sheets as the outer paper and the inner paper, with corrugated core paper processed by the corrugated roller sandwiched between them. Each paper sheet is bonded with the corrugated paper coated with adhesive.
Corrugated Board is mainly used to make outer packing boxes to protect commodities in circulation. There are also thin corrugated paper that can be used as the inner lining of commodity paperboard packaging to reinforce and protect commodities. There are many kinds of corrugated paper, including single-sided, double-sided, double-layer and multi-layer.
The White Paper Board is made of chemical pulp and high-grade pulp, including ordinary white paper board, kraft pulp white paper board, etc. There is also a kind of white cardboard made entirely of chemical pulp, also known as high-grade white board.
Yellow Paperboard refers to the low-grade paperboard made from the pulp produced by lime method with straw as the main raw material, which is mainly used for pasting the box core in the paper box for fixing.
Kraft Board: made from kraft pulp. One side hanging kraft paper pulp is called single-sided kraft paper board, and the other side hanging kraft paper board is called double-sided kraft paper board.
The main function of corrugated paperboard is called kraft linerboard, which is much stronger than ordinary linerboard. In addition, it can be combined with water resistant resin to make water resistant kraft cardboard, which is mainly used for the collection packaging box of beverages.
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