Optical Variable Pigment For Security Printing Inks For Passport and Currency

Optical Variable Pigment, as the angle of view of the eye changes, it will appear several different colors when viewed directly or laterally under white light. It has the characteristics of strong light variation and large color difference, which does not need any equipment to identify. This effect cannot be replicated with any high definition scanner, color copier or other equipment, and its printing characteristics cannot be replicated by any other ink or printing method.