Globally, especially in China, UV inkjet printers, UV flatbed inkjet printers, flatbed inkjet printers, and flatbed inkjet printers have achieved double-digit growth in the past few years. UV printing speed is fast, high quality, environmental protection than solvent type. On top of these advantages, the biggest highlight of UV lithography is the diversification of its printing substrates. In the glass, ceramics, metal, acrylic, wood, which can not be printed before, UV lithography can achieve high-quality printing effects. However, the UV ink dries quickly, and glass, ceramics, metal and acrylic and some smooth wood surfaces, UV ink adhesion is not good, it is easy to fall off. Therefore, although many manufacturers promote "uncoated" UV printing, in market applications, especially in industrial applications with higher requirements, it is a necessary process to use flatbed printer coating to help UV ink adhesion. Correct selection of UV inkjet printer_UV flatbed inkjet printer, flatbed inkjet printer, flatbed inkjet printer coating (flatbed printer coating | pre-press processing liquid) can not only ensure the quality of printed products, but also have a very important impact on the protection of expensive equipment Because the coating of UV inkjet printers, UV flatbed inkjet printers, flatbed inkjet printers, and flatbed inkjet printers is not long, many users of UV flatbed printers do not understand their performance. The coating levels of UV inkjet printers-UV flatbed inkjet printers-flatbed inkjet printers-flatbed inkjet printers on the market now vary. If not selected properly, poor quality flatbed printer coating will cause damage to the machine. When choosing the coating for UV flatbed printers, we must pay attention to the following six issues: 1. Adhesion: There are many methods for measuring adhesion, such as the hundred grid method. If the quality requirements of the printed products are high, you can also test whether the printed products fall off after soaking in water or boiled spray painting. Adhesion is the key to measuring the coating of UV inkjet printers and flatbed inkjet printers. The coating of a high-quality UV inkjet printer / flatbed inkjet printer should pass the Hundred Grid test and will not fall off after soaking or boiling. 2. Leveling: Leveling is a common performance index in paints. It refers to the paint being painted or sprayed on the surface of the object. The brush marks and spray mist particles appearing on the coating film will automatically flatten The ability to smooth the surface. The coating of UV inkjet printers and flatbed inkjet printers with poor leveling will affect the decorative effect of printed matter. More importantly, if the brush marks on the coating surface will not disappear automatically, the uneven coating surface may rub the nozzle of the UV inkjet machine | flatbed inkjet machine, causing significant losses. The coating of high-quality UV inkjet printers and flatbed inkjet printers should be rigorously formulated and leveled quickly after painting or spraying. 3. Film-forming transparency: As a high-value-added decorative product, UV prints generally have high requirements for appearance. This requires UV inkjet printers, flatbed inkjet printers to be colorless and transparent. At present, there are some two-component paints based on epoxy resins on the market that are yellowed and affect the decorative effect. 4. Weather resistance: For UV printed products, especially the signs and billboards used outdoors, the printed products must be as bright as new for a long time, without fading. Specifically, this requires UV inkjet printers, the coating of flatbed inkjet printers has the function of resisting ultraviolet rays. The coatings of some UV flatbed printers will turn yellow under long-term light conditions, which is not suitable for outdoor use. Even for UV printing products that are only used indoors, it is generally necessary to consider the use of weather-resistant UV inkjet printers and flatbed inkjet printer coatings to ensure product quality. 5. Convenience of use: The current UV inkjet printers and flat inkjet printers are coated with two-component or multi-component products, which need to be configured according to the proportion specified by the manufacturer before use. Compared with multi-component products, the single-component UV flatbed printer coating without configuration has greater advantages in use. 6. Product safety: Product safety is also an issue that must be considered when choosing UV inkjet printers and coatings for flatbed inkjet printers. The solvent-based UV inkjet printer and the flatbed inkjet printer not only have a large odor, but also cause hidden safety hazards when stored improperly, and are not convenient for transportation. Because of the high investment in UV flatbed printers, it is best to consider a safer coating of water-based UV inkjet printers and flatbed printers when choosing a UV flatbed printer. 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