Special ink that will change color under UV light. It can change from Black to Blue, red, yellow, green. Used for printing visa.
Special ink that will show black under normal ambient light. Under UV light it will change to Blue. (other options also possible) Int has a peak in the UV-A range of wavelength 365nm.
Inks can be specially developed for you or formulated to suit your needs. Don't hesitate to contact us if you have requirements for printing with security inks.