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Alkaline Earth Aluminate Photoluminescent Pigment

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Product details:

Photoluminescent pigment (luminous powder, long afterglow fluorescent powder)is a kind of light energy storage powder which can glow in the dark after absorbing various visible light under 450 nm and can be reused for many times. The product can be mixed as additive with the transparent media as coating, printing ink, paint, plastics, printing paste, ceramics, glassware and fiber to enable the media to glow in the dark. The pigment can glow different colors in the dark, and works with good performance for low-location emergency lighting, indication marks and decorations. The pigment is widely used in the fields of consumer goods, decorations, communication and transportation , military facilities, and fire emergency system etc. 

Alkaline Earth Aluminate Photoluminescent Pigment can glow more than 12 hours after absorbing various visible light or ultraviolet radiation. The luminance is 350-700mcd/m2 and afterglow is more than 12 hours.

SKU# LM0201 LM0202 LM0203
Body Color
light yellow
light green
light gray
Emitting color
yellow green
blue green
blue purple
Composition
MeO·xAl2O3:Eu (Me=Ca, Mg, Sr, x=0.5-2.0)
Excitation wavelength(nm)
200-450
250-450
250-400
Emission wavelength peak(nm)
520
490
440
Medium Particle size(μm)
1-100
1-100
20-40
Afterglow brightness(mcd/m2
100-600
100-500
10-20
Afterglow time
12 h
≥12 h
≥6 h
Light resistance
1000 h
≥1000 h
≥1000 h
Chemical stability
Excellent, Slowly decomposed in water (The product can be waterproof by further treatment)
Temperature resistance
Luminescent brightness is weaken along with the elevated temperature and extended time during 250-600
Allowable temperature
250
Density(g/cm3
3.6
    ⑴The unit of particle size is μm. The particle size is expressed by Medium Particle size (D50).
    ⑵The unit of afterglow brightness is mcd/m2. All the tests are executed according to the standard of DIN67510, which is to detect afterglow brightness of the sample for 10 min excited by D65 standard light source illumination of 1000LX for 5 min.