Phosphorescent Pigment SrAl Red (Long Afterglow)
In StockMOQ
1 kg
Lead Time
7–14 days
Packaging
1 kg / 5 kg cartons
Specifications
| Appearance | pale pink powder (glows red/orange in dark) |
| Emission Peak | ~626 nm (red) |
| Heat Stability | 250°C |
| Afterglow Duration | 2–4 hours |
| Chemical Composition | Y₂O₂S:Eu³⁺ or rare-earth doped aluminate |
FAQ
No. Red phosphorescent pigments (often Y₂O₂S:Eu³⁺ based) typically glow for 2–4 hours, significantly shorter than green SrAl₂O₄:Eu²⁺ (8–12 hours). For safety-critical applications requiring long afterglow, green or blue SrAl grades are preferred.
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