is mostly composed of radium sulfate, zinc sulfide and some substances that can emit light after being excited.
Radium is a radioactive element, so radium sulfate decays all the time. When it decays, it emits some rays, such as alpha rays, beta rays, and gamma rays, zinc sulfide and other substances absorb the energy of these rays and then release the energy in the form of visible light, which becomes luminous.
The daylight is too bright during the day, so the light cannot be seen.
It is usually divided into light-induced energy storage luminous powder and radioactive luminous powder.
Photo-induced energy storage luminous powder is a fluorescent powder that stores light energy after being irradiated by natural light, daylight light, ultraviolet light, etc. After stopping light irradiation, it is slowly released in a fluorescent manner, so at night or in the dark, you can still see the light, lasting for several hours to ten hours.
The luminous powder with radioactivity is a radioactive substance incorporated into the fluorescent powder, and the fluorescent powder is excited to emit light by the radiation continuously emitted by the radioactive substance. This kind of luminous powder has a long luminous time, however, the application scope of toxic and harmful and environmental pollution is small.
The main feature of rare earth long afterglow metallic glitter
is that it can absorb light under sunlight or light ~ After 20 minutes, the absorbed light energy is converted and stored in the lattice, and the stored energy can be converted into light energy in the dark to emit light, which can continuously emit light (Luminous brightness is greater than 10mcd/m2)Reach 8-
After 10 hours, the brightness of the light is attenuated to the lower limit of the human eye observation (0. 32mcd/m2)The time can reach more than 70 hours.
Dongguan huocai Crafts Co. , Ltd. is a professional Chinese onion manufacturing enterprise. We integrate with the research and development, production, sales and service of onion. Our products have also obtained SGS, MSDS, ISO9001, ISO14001 certificate.
Popular in most domestic cities, our Glitter is also exported to countries and regions around the world, especially the United States and Europe.
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