... (powder) is a new type of long after-glow luminescent material, it can glow in the dark automatically after absorbing varieties of ... process of absorbing-emitting can be repeated endless. The phosphorescent glow in the dark pigments(powder) are mainly applied as an ... consumption, such as switch, arts, garment, shoe and cap, stationeries, clock, fishing gear, crafts, gym articles and so on, but also ...