Prints created by using Octopus Fluids® invisible printer inks are invisible under daylight and start to glow in neon colors as soon as an ultraviolett light source is shining on them.
The invisible inks are suitable for desktop ikjet printers which are using piezo print head technology.
You can create invisible markings that proof the originality of Your vouchers or similar print products.
It is also possible to print pictures that are invisible during daylight and that start to glow if you point an ultraviolet light source on them.
Available at Octopus®
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