A9-2045-S 20-45 Micron Aqua Photoluminescent/Glow in the Dark Pigment FOR NON-WATERBASED PRODUCTS SOLD BY THE POUND. Allureglow USA Manufactures a range of Premium Safety Grade Strontium Aluminute A9-2045-S Photoluminescent/Glow in the Dark Pigment. The luminosity in our A9-2045-S Photoluminescent/Glow in the Dark pigments is much higher than any other crystal forms, as a result of our patented technology. These A9-2045-S Photoluminescent/Glow in the Dark pigments absorb light from the sunlight, shielded daylight or artificial light and then emit. this energy as visible light when placed in the dark.