Fiber paper
Obvious visible fibers or fluorescent fibers are allocated inside the fiber paper. The fiber paper technology is widely used for banknote paper production in many countries.

Technical Features
Color fiber paper:     visible fibers of red, blue or other color are randomly allocated on the paper surface.
Fluorescent fiber paper: fibers of red, blue or other color can be found on paper surface under UV radiation.

Verification method
Color fiber paper:    visible color fibers can be found on paper surface. These fibers can be teased out with a needle.
Fluorescent fiber paper: fibers invisible to naked eye exist on paper surface. Color fibers can be found under irradiation of fluorescent light.

Application
It is mainly used in anti-counterfeit of products such as banknotes, securities, certificates, etc