... report WGS international standard certification: ISO9001:2000 properties of photoluminous pigment:a. short excitation time; long afterglow time; high brightnessabsorb ... no burning, no explosion, no heavy metalsusages of photoluminous pigment:suitable for various transparent and semitransparent medium, such as plastic ... pictures, stones, toys, clothes, shoes, working uniform, etc. photoluminous pigment