Printing anti-counterfeiting ink used for RMB

Anti-counterfeit inks are specially developed for printing banknote inks. In the printing process of the Chinese renminbi, the following types of anti-counterfeit inks are mainly used. The printing ink with special properties of anti-counterfeiting materials and processed by a special process is added to the ink binder. Ink anti-counterfeiting is simple to implement, low cost, good concealment, colorful, easy inspection and strong reproducibility. It is the preferred anti-counterfeiting technology for banknotes, tickets and trademarks in various countries.

Fluorescent ink

Fluorescent inks are specialty inks that emit visible light when exposed to ultraviolet light. According to whether the color of the printing ink is divided into two kinds of colored fluorescent ink and colorless fluorescent ink. The former is the addition of a fluorescent compound to a colored ink, the latter being added to a colorless ink. The former print is visible to the naked eye and the latter is invisible. In the fifth set of renminbi, both colored fluorescent inks and colorless fluorescent ink printing patterns were used. The pattern printed with colorless fluorescent ink is machine-readable.

Magnetic ink

Magnetic anti-counterfeiting inks are anti-counterfeiting printing inks made using magnetic powder materials as a functional component. It is the most commonly used anti-counterfeiting ink. Its outstanding feature is its deep appearance and color, and its simple detection equipment. It is mainly used to print magnetically encoded words and symbols of bank tickets, has the function of recording and storing information, and will be printed with magnetically encoded tickets. In the magnetic code reader can identify authenticity. The positive numbers on the fifth set of renminbi are printed using magnetic ink.

Light change ink

Light change ink is one of the most effective high-tech anti-counterfeiting inks today. Its print pattern has a metallic luster. With the change of human eye angle in natural light, two or three different colors appear, and the color difference changes significantly. For example: Red-green, green-blue, red-gold and so on. The pattern printed with this ink can not be copied by a high-definition scanner, a color copying machine, or other equipment, and the security is extremely strong. At the same time, optical variable ink has the advantages of easy identification, good durability, simple use method, wide application range, non-toxicity, no radiation, etc. It is a world-recognized security ink with high security. The denomination figures at the bottom left of the 100 yuan and 50 yuan of the fifth set of renminbi are printed with light variable inks.