glow in the dark stone is called: luminous cobblestone, photoluminescent cobblestone, luminescent pebble, is a man-made glowing stone, With a shape of cobblestone, spall or sand, is a kind smart artificial plastic products or silicate products, whit special luminescent pigment (glow in the dark powder) and special synthetic resin or silicate compound. When exposed to light sources, the photoluminescent pigment inside Luminous cobblestone becomes excited and glow in the dark with very stronger initially , then reducing slowly overnight.The glow is best seen in a dark area, where ambient light sources such as streetlights and moonlight are absent.Photoluminescent Tumbled Gravel for use in Concrete, Pavers and Terrazzo products as an exposed aggregate. Glow in the dark stone enhances safety by marking the pathway in Low Light Level conditions.
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