Phosphorescent Pigment SrAl Green (Long Afterglow)
CAS 12623-70-0
In StockMOQ
1 kg
Lead Time
7–14 days
Packaging
1 kg / 5 kg / 25 kg cartons
Specifications
| Appearance | white-yellow powder (glows green in dark) |
| Excitation | UV 200–450 nm + visible light |
| Emission Peak | ~520 nm (green) |
| Heat Stability | 300°C |
| Afterglow Duration | >8 hours (visible to dark-adapted eye) |
| Chemical Composition | SrAl₂O₄:Eu²⁺,Dy³⁺ |
| Afterglow Brightness (1 min after excitation) | >1000 mcd/m² |
FAQ
After a 20-minute excitation under daylight or 365 nm UV, SrAl₂O₄:Eu²⁺,Dy³⁺ emits visible green light for 8–12 hours. Initial brightness >1000 mcd/m² at 1 minute, decaying exponentially; remains visible (>0.32 mcd/m²) for >10 hours in darkness.
Interested in Phosphorescent Pigment SrAl Green (Long Afterglow)?
Get a quote, request a sample, or ask a technical question.