Now, more and more factories use UV flexo ink, mainly because UV flexo ink has good printing suitability, high printing quality, bright and bright ink color, suitable for fine product printing.

UV offset printing ink is a high viscosity slurry fluid. The resins used in the production of offset printing ink binders mainly include rosin-modified phenolic resins, alkyd resins, and petroleum resins.

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UV fluorescent Ink is made by adding the corresponding visible fluorescent compound to the ink. Its anti-counterfeiting features are: the printed matter is invisible under ordinary light, and can emit glittering fluorescence under ultraviolet light. There are invisible and visible UV fluorescent inks. The special ink that emits visible light (400-800nm) is excited by ultraviolet light (200-400nm), which is called ultraviolet fluorescent ink. According to different excitation wavelengths, it is divided into short-wave and long-wave. The excitation wavelength of 254nm is called short-wave ultraviolet fluorescent ink, and the excitation wavelength of 365nm is called long-wave ultraviolet fluorescent ink. Blue and other colors; colored can make the original color shine; discoloration can make one color into another color.

Optically variable inks are also called optically variable inks and chameleons. The printed color blocks present a pair of colors, such as: red-green, green-blue, gold-silver, etc. When looking at the front or the side under white light, with the change of the viewing angle of the human eye, it presents two different colors, with strong light variation characteristics, large chromatic aberration changes, and obvious features, which can be identified without any equipment and equipment, and its color angle effect cannot It is reproduced with any high-definition scanner, color copier and other equipment. The printing characteristics cannot be imitated by any other ink and printing method. The anti-counterfeiting reliability is extremely strong, so it is designated by many countries in the world for the most stringent and difficult requirements. For the anti-counterfeiting of the largest currency and negotiable securities, some well-known manufacturers in China have also used it for packaging anti-counterfeiting.