The printed anti-counterfeiting inks mainly include invisible fluorescent ink anti-counterfeiting, tangible fluorescent ink anti-counterfeiting, temperature-changing ink anti-counterfeiting, and spot color anti-counterfeiting.
1. Invisible fluorescent ink anti-counterfeiting
The data used is invisible fluorescent ink, the printing process is simple, the invisible picture or text of the ink printing, under the illumination of ultraviolet light, presents a picture of cleaning light, convenient detection, wide application range, the defect is that because it is invisible, it is colorless, so Its registration is difficult.
2, tangible fluorescent ink anti-counterfeiting
The data used is a tangible fluorescent ink, the printing process is simple, and the printing effect is the same as that of the general ink printing. However, under ultraviolet light, the printed matter exhibits an abnormal bright light, which may be different from the general ink.
3, temperature change ink anti-counterfeiting
The data is used for temperature-changing inks. The method has colored inks that become colorless, and colorless inks that become colored. The temperature change range is high and low, and is reversible and irreversible. The printing process is simple and easy to detect.
4, spot color anti-counterfeiting spot color anti-counterfeiting
It is also an important anti-counterfeiting skill that is indispensable in the anti-counterfeiting skills of soft packaging. Because the spot color is a special color that is specially formulated by the ink manufacturer or the packaging company, it has the characteristics of being difficult to copy, and the hue is difficult to be imitated. Generally, it cannot be distributed by other kinds of inks, and the price is near the general ink, and Good anti-counterfeiting effect.
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