Product Introduction:
ST-AC433 anti-counterfeiting coating is a kind of ultraviolet fluorescent ink. After printing, there is no trace on the printing substrate. Under ultraviolet light, the required colors, characters and patterns can be displayed. There are more than 10 colors such as red, yellow, blue, grass green, etc. Since there is no trace of printing on the surface, it is also called invisible ink. Now most products on the market use this type as an anti-counterfeiting means.