Pl pvc rigid board Feature products Doesn't contain any radioactive elements quick light absorption and long afterglow duration Product description Photoluminescent rigid pvc sheet/board Photoluminescentpvc rigid board is a luminescent product produced on the basis of long afterglow photoluminescent powder. It is a photoluminescent sheet made of hard plastic nontoxic and harmless, doesn't contain any radioactive elements, and is characterized by quick light absorption longer afterglow and longer service life. This photoluminescent pvc rigid board is produced by mix photoluminescent powder with several pvc resins under special process. It features quick light absorption and long afterglow duration, and takes the lead in luminance performance among all its peers.