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In recent years, the development of UV materials for domestic printing has also been relatively rapid. In 1998, the consumption of domestic UV printing materials has exceeded 2,000 tons (including domestic and imported materials), which are mainly used for UV glazing, printed circuit board inks and UV silk screen printing inks. In addition, there are also some UV offset printing inks, UV embossing inks, etc. The use of UV flexo printing inks is very small and is still in its infancy. UV flexo printing ink is widely valued and favored abroad, mainly because it has the following characteristics:

1. UV flexo printing ink has good printing suitability, high printing quality, no change in physical properties during printing, no volatile solvent, stable viscosity, not easy to paste the plate, can be printed with higher viscosity, strong ink holding power, high dot definition, Good tone reproducibility, bright ink color, firm adhesion, suitable for fine product printing. the

2. UV flexo printing ink is safe and reliable, has no solvent emission, is non-flammable, and does not pollute the environment. It is suitable for packaging printed matter with high hygiene requirements such as food, beverage, tobacco, alcohol, and medicine. Flexographic UV inks have been used in foreign food packaging for many years without any problems. the

3. UV flexo printing ink has excellent physical and chemical properties. The process of UV curing and drying is the photochemical reaction of UV ink, that is, the process of changing from a linear structure to a network structure, so it has many excellent physical and chemical properties such as water resistance, alcohol resistance, alcohol resistance, wear resistance, and aging resistance. This type of ink is beyond the reach. the

4. UV flexo printing ink can be dried instantly, with high production efficiency and wide application range. It has good adhesion on different printing carriers such as paper, aluminum foil, plastic, etc. The products can be stacked immediately after printing without sticking . the

5. The amount of UV flexo printing ink is saved. Because there is no solvent volatilization, the active ingredient is high, and it can be converted into an ink film nearly 100%, and its consumption is less than half of that of ink or solvent ink, and it can greatly reduce the cleaning times of printing plates and anilox rollers, so the overall cost is relatively low. Based on the above characteristics, UV flexo printing inks have obvious advantages and development prospects no matter from the perspective of environmental protection, quality, or technological development.