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Among the various anti-counterfeiting technologies currently adopted, such as digital anti-counterfeiting, ink anti-counterfeiting, and optical anti-counterfeiting, the method of paper anti-counterfeiting is relatively simple and applicable, and has gradually gained favor from many manufacturers, providing a broad market for anti-counterfeiting paper products.
Holographic dark anti-counterfeiting paper without film. The quantification can be divided into 50-350g/m2. It has no film, is easy to degrade, and the anti-counterfeiting pattern adopts an implicit design. The surface gloss of this paper exceeds that of aluminum foil paper, PET, polyester and polyaluminum film mirror paper. It has good printing adaptability. The coating and pattern are resistant to acid and alkali, gasoline and alcohol wiping. The scrap rate and printing difficulty are much lower than those of aluminum foil paper and mirror paper.
Magnetic anti-counterfeiting paper. There are obvious magnetic patterns in the finished paper. Magnetic material powder is added to the pulp. When the pulp and magnetic powder are implanted into the magnetic anti-counterfeiting paper in the shape of the magnetic plate pattern, the magnetic powder should pass through a 200-mesh sieve and also be dyed.
Special paper with super ionic medium. This paper is a fourth-generation anti-counterfeiting product that integrates ion micro-pore technology with the papermaking process by using the large-scale heavy ion accelerator, a nuclear physics equipment specially controlled by the state. As the heavy ion accelerator is specially controlled by the state and no other instruments or equipment can meet its anti-counterfeiting technical indicators, it fundamentally eliminates counterfeiting.
Textured paper. Colored fibers are sprinkled into white pulp to create texture paper that is visible to the naked eye and has clear texture patterns. Then, it is printed into anti-counterfeiting labels, and the texture images of the labels are stored in a dedicated computer anti-counterfeiting system database. After the products are affixed with such labels, customers can access the database by phone, fax machine or the Internet to check the physical texture of the labels and identify the authenticity of the goods.
Add fluorescent fiber paper. Fluorescent materials are stained onto chemical fiber carriers, and these fluorescent fibers are made into fluorescent fiber paper in a certain proportion. On the surface, it looks the same as ordinary paper, but as soon as the ultraviolet lamp on the counterfeiting detection surface is shone, the fluorescent fibers added to the paper immediately turn blue. This technology is widely used in the production of stamp paper.
Anti-counterfeiting special paper printed by laser. This special coated paper is endowed with anti-counterfeiting properties by coating with a special color-enhancing adhesive. This special coated paper decoration is added with color-enhancing patterns. After laser printing, it dissolves in the paper and will not disappear due to friction, scratching, etc.
Thermal anti-counterfeiting paper. This anti-counterfeiting paper does not require the use of special instruments or equipment. Its authenticity can be identified simply by touching it with fingers. Mainly, anti-counterfeiting fine threads called "Thermotext" are implanted in the paper. These threads use thermochromic or thermosensitive ink to cover the text or patterns. When the temperature is high, the cover fails and the text or patterns appear. After cooling, they return to their original state.
Paper with watermark marks. The non-aqueous liquid compound containing thermosetting resin and thermosetting agent is brought into contact with a certain adhesive solution and then cured to make the watermarked or patterned parts of the paper sheet less transparent than the other parts. This is a commonly used anti-counterfeiting technology in banknote paper. Colored fiber anti-counterfeiting paper. The processing method of this kind of paper is more convenient than using watermark rollers. Various brightly colored fiber filaments are selected, and the colors are usually more than two. The fibers are cotton, linen, natural fibers or chemical fibers such as polypropylene and acrylic. They are cut into 4 to 8cm and added in the adjusting pulp box. Due to its relatively simple manufacturing process, this technology is currently widely applied, such as in banknotes, various cigarette packages of famous brands, etc.