... pigment (is called glow powder, luminous pigment , luminescent pigment , photoluminescent pigment , glow in the dark pigment, night light pigment, night glow pigment ... minutes.Material: Strontium Aluminate based. Appearance: Yellowish crystal powder.Dangerous: No.Toxic: No.Radiation: No ... with them.ZhongbangChem's products range: photoluminescent pigment (yellow-green,blue-green, blue, purple), ...