It is normally used to validate a document and demonstrate tamper evident when modifying is attempted.
- Security Thread
- Fibre (Visible or Invisible)
- Dot (Visible or Invisible)
The watermark image/text is customized and included in the security paper by a definite pattern. Minimum order quantities are 1 ton weight of papers. The security level is on top of other kinds of watermark paper.
General Pattern Watermark
The watermark image/text is produced in general pattern, such as flower, globe and etc. It is generally marketed for customers who need "Watermark" for comfortable purpose and low order quantities requirement. The security level is lowest among other types of watermark paper.
Unlike the true watermark which is included in the paper through dandy roll or cylinder mould during security paper manufacturing process, whereby printing watermark is a low cost security printing process and low order quantities requirement. The security level is depending on the technical and skills of printing company.
Security thread paper has been widely used in the banknote production. It is, by far, the highest security and anti-counterfeit feature in the world.