A kind of rigid plastic board-photochromic sheets

Photochromic sheets is a kind of rigid plastic board.It is made of photoluminescent pigments that with non-toxic and harmless and no radioactivity. It belongs to long after-glowing display board with excellent comprehensive advantage. This sheet can be cut into all kinds of shapes. It can be fixed on surface of normal object. It can be printed design on the surface by silk screen printing or other ways, to engender background glow.