Glow in the dark powder is the main raw material used in the manufacturing process of the decoration. The art of the various protective devices or materials to glow in the dark powder is separated into different grades according to the level of brightness and illumination duration. By the glow duration is within the range for 20 minutes until more than 15 hours, depending on the quality of that type of fluorescence. Working principle of fluorescent powder is powder glow will do to absorb energy during the day time and release the power light continually comes out at night and light and the length of the glow, it depends on the time interval that absorb light as well. If the light for a long time, it will glow brighter and longer than usual. The life section of it long fluorescent powder You can use it more than 10 years. The current glow powder has been used extensively, whether it is for room fluorescent stickers. Illuminated traffic signs Border Street glow glowing clocks and much more considered era of innovation.