Strontium aluminate glow powders are doped with europium and dysprosium for the ultimate glow.
Some green strontium aluminate pigments can glow for up to 40 hours.
Strontium aluminate powder activated by europium and dysprosium, is a newer material with the highest brightness and significantly longer glow. It is about 10 times better than the mix of zinc sulfide and calcium sulfide. Techno Glow Products offers the brightest glow in the dark powder on the market.