In recent years, anti-counterfeiting is to prevent counterfeiting and shoddy, and anti-counterfeiting ink is different from ordinary ink, which refers to ink with anti-counterfeiting function. What are the types of anti-counterfeiting inks?
Why can anti-counterfeiting ink be anti-counterfeiting?
The reason why the anti-counterfeiting ink can be anti-counterfeiting is to use the pigments and linking materials with special functions in the ink to prevent counterfeiting.
What are the anti-counterfeiting inks? How to classify them?
According to the printing method, anti-counterfeiting ink can be divided into letterpress printing, gravure printing, screen printing ink, screen printing and water-soluble flexo printing ink, etc.
Anti-counterfeiting classification of anti-counterfeiting ink:
1. Infrared light ink: Infrared ink printing images can be seen to have color under normal light, but there is no color when inquired with infrared light instruments.
2. Optically variable ink: Optically variable ink uses a special optically variable material. After the image is printed, the color of the image will change from one color to another according to the different viewing angles.
3. Colorless fluorescent ink can see bright fluorescence under ultraviolet light, but it is invisible under light.
4. Colored fluorescent ink: The image printed with this ink is one color under normal light, but another color will appear under ultraviolet light.
5. Pearlescent ink: The printed image of pearlescent ink will have various bright metallic luster effects or rainbow effects depending on the viewing angle.
6. Magnetic ink: Modern banknotes often use magnetic ink as a quantitative inspection target for machine reading, which also increases the difficulty of fabrication.
What are the ingredients of anti-counterfeiting ink?
Anti-counterfeiting ink is composed of colorant, linking material and ink additives, that is, a special printing ink made by adding anti-counterfeiting materials with special properties into the ink linking material and processed by special technology.