Ultraviolet-excited fluorescent anti-counterfeiting ink is an ink made of inorganic pigments or organic dyes that can be excited by ultraviolet light to display colors, called fluorescent inks (or invisible inks). Its manufacturing method is to add the pigment (dye) to a certain proportion of resin oil linking material, filler, stabilizer and desiccant, and process it with an ink-making three-roller mill.

Infrared-absorbing anti-counterfeiting ink is made by adding one or several near-infrared absorbing materials into the ink. The infrared absorbing material is an organic functional dye. It has absorption in the near-infrared region, the maximum absorption wavelength is 700nm~1100nm, and the oscillation wavelength falls in the near-infrared region. Since the near-infrared absorbing ink absorbs infrared rays, if this ink is used in a certain part of the printed matter, there will be no damage in sunlight. Traces, but under the detection instrument, corresponding signals or dark pictures and texts can be observed.

At present, UV ink is widely respected by printing manufacturers. And UV ink is an economical and environmentally friendly ink, which is the direction of ink development in the future. The types and characteristics of UV inks are introduced below.

UV varnish is a kind of transparent coating, also known as UV varnish. Its function is that after spraying or rolling coating on the surface of the substrate, it is irradiated by UV lamps to make it change from liquid to solid, and then achieve surface hardening. It is scratch-resistant and scratch-resistant, and the surface looks bright, beautiful and round .

UV ink is the main consumable for UV printers. Its quality and quality not only directly affect the effect of printing patterns, but also affect the life of the nozzle and the life of the entire ink system. So, for uv ink, what are the 5 questions frequently asked by customers?

Since the printing range of uv flatbed printers is very wide, it has developed rapidly in recent years. There have been ink manufacturers of various sizes on the market, and various inks have been introduced. Among them, due to the environmental protection, slow attenuation, and bright colors of UV inks, UV The ink is so dazzling that many customers cannot distinguish between good and bad and types.

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