Long Persistence Photoluminescence Pigment No toxicant free from any radioactive elements Extremely long lifetime (15 years) Long Persistence Photoluminescence Pigment Glow in the Dark PowderNiyafu long persistence glow in the dark powder(also called photoluminescence pigment) is a new type of long afterglow luminescent material. Free from any radioactive substance, it can glow in the dark ...
[China Manufacturers]