... luminous ,photoluminescent pigment 2. rare earth metal high brightness 3. long afterglow time 4. lower heavy metal What is photoluminescence?Lightlead ... into coat, paint, ink, fabric, ceramic glaze or porcelain enamel, glass, flexible and rigid molded plastics. Typical products include self adhesive ... kid's ceiling, they would feel very safe at night. Long Lasting Photoluminescent Pigment