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Watermark paper
Watermark paper is a traditional and effective anti-counterfeit technology, and is widely used in anti-counterfeit of products such as banknotes, securities, certificates, etc.
Technical features
Black watermark: under natural light, the part with the graphic pattern watermark is thicker and darker than the rest parts.
For example, the head portrait watermark of Chairman Mao at the watermark window in the 100-yuan banknote (the fifth edition).
White watermark: under natural light, the part with the graphic pattern watermark is thinner and lighter than the rest parts.
For example, the “100” white watermark under the head portrait watermark of Chairman Mao in the 100-yuan banknote (the fifth edition)
Fixed watermark: the watermark is located at a fixed position of the paper.
For example, the fixed floral pattern watermark at the watermark window in the 20-yuan banknote (the fifth edition)
Full size watermark: the watermark is located across the full paper.
For example, the full size ancient coin pattern watermark and the full size five-angle star pattern in 5-yuan, 2-yuan and 1-yuan banknote (the third edition and the fourth edition).
Verification method
You can find a clear watermark in the paper when putting it in front of light,
Application
It is mainly used in anti-counterfeit of products such as banknotes, securities, certificates, etc. |
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