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Wednesday, September 21, 2005

Long Afterglow Luminescent powder

Long Afterglow Luminescent Powder
Long decay phosphors is capable of emitting light in the visible range not only during excitation but also for a long period of time after excitation is cut off. National Physical Laboratory (NPL) , New Delhi developed this long decay phosphor powder which can be processed into different media and used in variety of applications like sports equipment, toys, warning signs, escape routes .

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