Nov.2024 08
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Anti-counterfeit paper

Introduction
Anti counterfeiting paper is a general term for special types of paper with marked or hidden markings (patterns, patterns, watermarks, numbers, security threads, red and blue fiber threads or colored dots, etc.) on the surface, which are not easy to imitate, falsify or modify. It is also known as anti-counterfeiting special paper...
Details
   Anti counterfeiting paper refers to a special type of paper that has markings or hidden markings (patterns, patterns, watermarks, numbers, etc.) on its surface, and is not easy to imitate, falsify, or modify. Anti counterfeiting is a preventive measure taken against activities aimed at deception and unauthorized copying or imitation by the owner.
  Paper is the basis for printing various materials, and some specialized papers manufactured using special processes basically have anti-counterfeiting characteristics. The anti-counterfeiting technologies used in specialized papers mainly include:
1. Watermark paper
The production process of watermark paper was invented by Italian paper-making experts in the 13th century. Because it involves complex manufacturing processes such as design, molding, mesh making, and papermaking, it often leaves counterfeiters helpless. Checking watermarks is also one of the most effective ways to identify authenticity. Of course, the extensive use of watermark anti-counterfeiting on packaging and decoration is not yet economical at this stage.
During the manufacturing process of watermark paper, technical means can be used to incorporate the required markings, patterns, etc. into the paper. These patterns are usually not easy to see and can only be seen in strong light. Most of the larger denomination RMB issued in China are printed on watermark paper. In today's era of advanced science and technology, watermarks are still recognized by anti-counterfeiting experts around the world as an effective anti-counterfeiting technology, and continue to be adopted and developed by various countries. Most countries' banknotes, important international documents, facility drawings, and various tickets are also printed on watermark paper. For example, in the 1996 new version of the $100 paper, the watermark of the "Fulanklin" portrait was used, and in China's high-value RMB paper, watermarks such as "Tiananmen" and "Mao Zedong" were produced. Watermarks have been widely used not only in currency paper, but also in other document paper. There are several types of watermark positions in paper, including fixed, non fixed, and semi fixed.



2. Safety line
Safety thread refers to placing a gold or plastic thread in the middle of the paper during the papermaking process. In recent years, with the rapid development of high technology, papermaking technology has also made significant progress after integrating other technologies, and there are a wide variety of paper varieties. If their performance and characteristics can be reasonably utilized, and the purchasing channels can be controlled, the effect and force generated as anti-counterfeiting printing paper cannot be underestimated. 

3. Red and blue fiber filaments or colored dots
In the papermaking process, red and blue fibers or colored small pieces (dots) are mixed into the pulp, or scattered on the surface of the paper before it is formed, which reflects fluorescence under ultraviolet radiation. Red and blue fiber threads and colored dots have two types of fixed and non fixed positions in paper.

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