Invisible IR inks for printing
Completely transparent inks which convert IR light into visible light.
After illumination by using a special IR light emitter, the so far transparent ink becomes coloured (red, green, blue).
Invisible IR inks are used for protecting documents and securities from forgery and duplicating.
A person who knows where in the print the Invisible IR ink has been used, who is equipped in a special IR emitter, is able to check its originality and authenticity.
These inks are used in printing highest quality securities of documents from forging and copying.