Tipping paper, a cigarette packaging material. It is used exclusively for cigarette factories as the outer packaging of filter tips and is a special industrial paper. In recent years, tipping paper has made great developments and innovations in its functions and uses. Tobacco factories are not limited to simple packaging for tipping paper, but also pay more attention to decorativeness, and have higher requirements for the printing aesthetics of tipping paper. At the same time, with the growing calls for healthy and environmentally friendly cigarettes, the state and cigarette factories have also put forward higher requirements for the health and environmental protection of tipping paper and its role in the tar reduction project of cigarettes. All these have led to the continuous improvement of the performance requirements of tipping paper in all aspects, and the production and processing technology of tipping paper has also been continuously improved.

Tipping paper is a decorative paper obtained by printing, coating and other processing methods on tipping paper. It has the function of improving the appearance of cigarettes. The current perforated tipping paper and high-transparency forming paper also have the function of reducing tar. Common tipping paper has orange and white. The production of tipping paper mainly uses coating (color paste) or ink to gravure print the tipping paper. The printing color is old, dull and powdery. By printing, processing, slitting and rewinding the base paper, it can meet the use requirements of the tipping paper in terms of appearance and internal quality, and can adapt to the working requirements of the high-speed filter tipping machine. In addition, in order to improve the decorative performance and air permeability of the tipping paper, some tipping papers need to be hot stamped and punched after printing. Production process of tipping paper.

Performance requirements of tipping paper

Intaglio, the printed part is sunken to store ink, and the part without printed pattern is the plane. The ink on the plane must be wiped off so that no ink is left. When printing, pressure is applied to the substrate so that the ink in the sunken groove contacts and absorbs on the paper to complete the printing. The gravure is divided into engraved gravure, electroplated gravure and photogravure. The characteristics of the gravure are that the ink color is particularly strong. Although the plate making is complicated, the printed product is exquisite. Therefore, it is often used to print banknotes, stamps, stocks and other securities and artworks. Because its ink layer is higher than the paper surface, it is difficult to copy photographically, and it has the function of preventing counterfeiting. Photogravure has also been used for commercial purposes in recent years?

The performance of the base paper has an important impact on the finished paper. Poor base paper performance will greatly increase the difficulty of the processing process, cause various problems, affect quality, and increase raw material consumption. The quality indicators of kraft paper and its role in production are as follows:

1. Evenness

Good evenness and minimal quantitative fluctuation are the basic guarantees for producing high-quality paper. The fiber distribution of kraft paper is uniform, and the fluctuations of indicators such as thickness, tightness, and air permeability are small, which can ensure uniform absorption of coatings and reduce color differences during processing. The production of base paper requires that the quantitative difference of the horizontal banner is as small as possible. Uneven quantitative results in the failure of the cigarette factory nozzle machine to connect the nozzle normally. If the quantitative is too high, it is easy to turn over, burst, and uneven upper cavity; if the quantitative is too low, the paper is thin, and it is easy to wrinkle when used on the washboard nozzle machine, and the glue penetrates to expose the bottom.

2. Gluing degree

The sizing degree affects the amount of coating absorbed by the base paper during processing. When the sizing is too low, the coating is absorbed more, the coating consumption increases, the cost increases, and the paper becomes hard and brittle, which affects the splicing of the splicing machine in the cigarette factory; when the sizing is too high, it is not conducive to the absorption of the coating, affecting the appearance and powdery texture of the tipping paper.

3. Longitudinal tensile strength and surface strength

Tipping paper with good longitudinal tensile strength can meet the operating requirements of the high-speed splicing machine in the cigarette factory and is not easy to break. Good surface strength can avoid problems such as hair loss and powder loss during printing, which is conducive to improving printing quality.

4. Other performance indicators

Other performance indicators include holes, folds and swing edges. If there are holes, it will cause the coating to stick to the roller during printing or glue leakage during gluing on the splicing machine, so there should be no obvious holes. The folds in the base paper will affect the printing, rewinding and splicing machine operation, and affect the appearance quality. If there is a swing edge, the two sides of the paper will be inconsistent in tightness or ruffles will appear, which will cause uneven force on both sides of the paper during printing, easy to wrinkle or even break, affecting the use and appearance.