Briefly analyze the characteristics and performance of white cardboard of Chocolate Paper Boxes

Briefly analyze the characteristics and performance of white cardboard of Chocolate Paper Boxes

The characteristics of whiteboard paper for packaging paper-whiteboard paper has a relatively uniform fiber structure, the surface layer has filler and rubber components, and the surface is coated with a certain coating, and after multi-roller calendering treatment, the texture of the paperboard is relatively tight, thick and thin It is also relatively uniform. The paper surface is generally white and smooth, with relatively uniform ink absorption, less powder removal and hair loss on the surface, and the paper is stronger and has better folding endurance. The water content is high and there is a certain degree of flexibility, which will have a certain impact on printing.

Whiteboard paper is made of top pulp and bottom pulp. Therefore, the pulp is generally divided into surface pulp (surface layer), two layers, three layers, and four layers. The fiber ratio of each layer of pulp is different, and the fiber ratio of each layer of pulp is based on the papermaking. quality varies.

Whiteboard is a relatively advanced packaging paper, printing various trademarks and packaging cartons, such as: children's toys, medicines, food, cigarette boxes, toothpaste, gift boxes and other packaging. Whiteboard paper is divided into two types: special and general, and there are single-sided and double-sided points. The weight is 250g/m2,

Whiteboard paper has the properties of white and smooth paper surface, consistent thickness, tight texture, no powder and hair loss, uniform ink absorption, small stretchability, toughness, and not easy to break when folded.

1. The water content of whiteboard paper is high. Generally, it is about 10%. Due to the thicker paper and the limitation of hanging and drying equipment and time, most printing manufacturers print without hanging and drying. However, the method of pre-printing a clear water is often used to reduce the phenomenon of hair pulling and stretching.

2. Whiteboard paper In general, during the printing process, there are many products printed on the ground, and the amount of ink is large. In order to reduce the phenomenon of pulling, the viscosity of the ink and the thickness of the ink layer should be strictly controlled during printing to prevent the back from getting dirty. Usually, the solid ink color of the printed product is used for diluting treatment. First, the base color is printed once, and then the original ink is printed again. This not only reduces the phenomenon of fluffing and sticking, but also undergoes two printing overprints. It also increases the gloss of the printed product.

3. The single-sided whiteboard paper is prone to curling and warping when wet, which affects the offset printing. However, the double-sided whiteboard paper is better. At the same time, due to the thick paper, it is easy to have double sheets or multiple sheets when feeding the paper, and it is easy to crush the rubber when it is skewed, so be extra careful when feeding the paper.

4. The difference between whiteboard paper and coated paper, offset paper and letterpress paper is that the paper is heavy and the paper is thicker.

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