Ultraviolet fluorescent ink

Ultraviolet fluorescent ink is a special printing one giving off visible light (400-800nm) while exposed to ultraviolet light (200-400nm). It is divided into three kinds by colors: Achromatic, chromatic and discoloration. .Achromatic ink can glows red, yellow, green and blue colors; chromatic ink can brighten the original color; discoloration ink can change from one color to another, which is applied in printing RMB notes, bank books and taxation invoices.
Color:colorless-red,colorless-orange,colorless-blue,
colorless-green,red-red,black-red,yellow-yellow and so on.
Ultraviolet fluorescent ink