Photoluminescent Pigment2011-2-21
This powder is a new type of long after-glow luminescent material. Free from any radioactive substance, it can glow in the dark automatically after absorbing...
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Photoluminescent Pigment/Color Pigment2011-2-21
This powder is a new type of long after-glow luminescent material. Free from any radioactive substance, it can glow in the dark automatically after absorbing...
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