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When using a flexographic water-based ink to print non-absorbent substrates such as films and aluminum foils, first select the appropriate printing ink. Since the past gravure printing uses benzene ink or alcohol ink, the adhesion of the gravure ink is not a problem, and some films can be printed even without prior discharge treatment. However, for water-based inks, the adhesion properties of the ink are critical. In order to avoid losses, it is generally necessary to conduct a large number of tests before the official printing in order to select an ink having better adhesion, and the surface tension value of the water-based ink or the UV ink with respect to the printing material should be maintained at 38 dynes per cm or more. A dyne value test pen can be used to test the surface tension of the substrate. The Dyne test pen is a colored pen with a felt tip, draws a wet mark on the surface of the substrate, and then observes whether the wet mark will present a spherical oil film, how long it takes to form a spherical oil film, and In order to judge the adhesion of water-based ink on the printing material, this article will introduce you to the flexographic printing roller.
Flexo printing has a long history in our country, but in the process of use, there will still be a lack of use, so when choosing a flexo model, it should be judged according to the actual situation.
According to the type of printed matter, the quality of the printing machine selects the model of the flexo printing machine. If a certain kind of printed matter can choose a variety of flexographic printing machines, it should analyze the performance and cost performance of different models, and choose the most flexible. The printer's special features and functional models, even for similar flexo presses, will vary in detail when printing different prints. These factors should be taken into account when selecting the flexo press model.
According to the type of printing machine selected flexo printing machine, it can be divided into two types: sheetfed and web. The type of flexo printing machine for sheetfed is generally used for printing products with large variety and small output. The printer model is generally used in the case of large batch size and low production variety. The web flexo press models are divided into three categories: cascading flexo press models, satellite flexo press models, and unit flexo press models. These flexo press models are different and suitable for printing. The materials are also different and should be distinguished.
People in the northwest of Shaanxi have well explained the "Made in China" style to domestic and foreign customers. In the future printing industry, who can provide comprehensive value and quality, and transform quality into stable production, will be the mainstream of development. People in the northwest of Shaanxi will continue to adhere to the design concept of “no people, no one, no oneâ€. Innovative efforts to design more intelligent and efficient printing equipment to create greater value for customers.
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A dog harness is a piece of equipment consisting in part of straps that surround the dog`s torso. It is used to guide, hold, and lift the dog or to utilise its pulling power.
It reduces tension on the neck when they pull,and provides free breathing during daily walks.In sports such as skijoring, where the dog`s pulling power is utilised, the harness provides effective use of force while maintaining freedom of movement.
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