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Screen Security UV Invisible Ink,UV Dry
UV invisible ink is a color that displays special fluorescent colors under UV lamps, such as no-yet, colored-colored, etc. It is widely used in the anti-counterfeiting of passports, certificates, internal documents, etc., and plays an important role in modern anti-counterfeiting. A successful case of UV invsible ink application--Guangzhou Print Area Company successfully provided electoral votes for a country in West Africa, making a contribution to the cause of anti-counterfeiting.
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UV Fluorescent Ink for Offset Printing
UV fluorescent inks are suitable for printing on paper and vinyl films. Since inorganic phosphors emit light from crystals, if the pressure is too high, the crystals can be broken, thereby reducing the brightness of the light. Therefore, relief printing is generally not used, and it is very suitable for screen printing and gravure printing. The rheological properties of most UV fluorescent inks are plastic flow and low viscosity. This characteristic determines that the printing process is very different from the printing process of ordinary inks. Before use, the ink roller, ink tank, printing plate and other related parts must be thoroughly washed to avoid mixing with other colors. If conditions permit, it is better to keep special equipment and replace with new ink rollers.
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