1 , and does not contain any radioactive elements , absolutely harmless to humans and the earth .
2 , after a short exposure, can produce high-brightness afterglow , is 10 times the brightness of conventional phosphors ; their time in the afterglow of the human eye visual brightness (≥ 0.32 mcd/m2) cases, up to 20 hours .
3, the excitation wavelength glowing stone pebbles the excitation light and easy to get to sunlight or ordinary fluorescent .
4 , excellent physical and chemical properties. Luminous energy in outdoor or harsh environments and resist the strong ultraviolet radiation , irradiation at 300W high pressure mercury lamp one thousand hours , the performance is essentially the same . Good chemical resistance , wide operating temperature range (-20-500 ℃).
5, the production of long-lasting afterglow luminous photoluminescent technology yellow-green , blue-green , sky blue , purple, white , red, yellow variety of light colors, and diverse product color appearance .
6 , extremely long life (≥ 15 years ) , can repeatedly absorb - Storage - emit visible light.
7 , can be made by a variety of grain products (0.5-200um), for different occasions .
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