As the concept of environmental protection has become more popular, more and more flexible packaging companies have begun to use environmentally friendly inks. Taking UV environmentally friendly ink as an example, what advantages does it have over ordinary ink?
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1. Fast drying and excellent performance.
Under UV light irradiation, UV ink can be completely dried and cured in only 1/10 second to a few seconds, and the speed is very fast. It can be dried in the transmission of online printing, ensuring that post-processing can be performed immediately after printing, which is beneficial to the post-processing process and saves the product cycle. In addition, because the UV ink will only dry under the irradiation of ultraviolet light, the ink can be stored for a long time in the ink fountain, its performance can be kept stable, and there will be no skinning phenomenon on the ink roller.
2. Save energy and comply with environmental protection.
It saves energy and wastes more than any ink except natural evaporation dry ink. Compared with traditional inks, the polymerization and drying of UV inks is more thorough. The solid content of the inks is close to 100% after curing. There is no evaporation or solvent-based contaminants. The ink film is 100% cured and contains almost no VOC, that is, during the curing No or very little emission of volatile organic compounds will not cause more harmful environmental pollution. In addition, the ink has a high flash point, is not easy to burn, saves heat energy, and is safe to use.
3. The equipment covers a small area.
Compared with thermal drying, the drying device takes up less area. Printing can be streamlined, saving manpower and economical. What preparations do ordinary printing machines need to use UV ink?
4. Under the same dry film thickness, the printing area is large. In addition, the printed matter has good color stability and high brightness.
5. The ink particles are small and can print fine patterns.
UV ink can provide bright and bright colors to ensure that the printed matter has good gloss and bright colors; due to the strong, quick-drying and cross-linking of the printed ink layer, such ink layer has high abrasion resistance and chemical resistance. Therefore, UV inks can be used for outer packaging printing that requires wear resistance.
6. Strong printing adaptability and wide printing range.
UV ink can meet the needs of a variety of substrates, a very wide range, such as paper printing, plastic printing, tape printing, printed circuit boards, chrome printing, electronic parts printing, metal surface printing, aluminum foil surface printing, etc. In terms of printing methods, UV inks can be applied to various printing methods such as letterpress, gravure, screen, and offset.