glow in the dark powder "real-colour"
This afterglow pigment has a white-yellowish appearance in daylight.
It has to be charged by day- or artificial-light for a certain time.
After this it lights for some hours by itsself in the different available colours.
yellow-green (afterglow time by manufacturer +12h)
skyblue (afterglow time by manufacturer +12h)
blue-purple (afterglow time by manufacturer +3h)
blue-green (afterglow time by manufacturer +12h)
These blacklight powder is only useable for solvent based liquids !!!