what is strontium aluminate
The best glow in the dark powders are based upon strontium aluminate. The older weaker glow in the dark powders were made with zinc sulfide. All sulfide based powders have a sulfurous odor and are not pleasant to work with.reen glow in the dark powder is the brightest and offers the longest after glow of all glow in the dark phosphorescent colors. Itâs most commonly used in safety applications such as exit signs but is very well suited to any application that requires a bright glow and long after glow. It is perfect for star murals.