MHB – Blue Green Strontium Aluminate Photoluminescent Pigment
MHB Series: Premium Blue-Green Photoluminescent Pigment
The MHB Series is a high-performance strontium aluminate-based photoluminescent pigment. With a light yellow/light white daytime color and a blue-green glow in the dark color, this glow in the dark powder features high brightness and over 12 hour glow time for diverse manufacturing environments.
- ● High Brightness & Long Afterglow: Absorbs UV or visible light in just 15 minutes and delivers a high intensity afterglow for more than 12 hours.
- ● Non-toxic: 100% non-radioactive, non-toxic, and environmentally friendly, with EU REACH Certificate.
- ● Waterproof: Specially encapsulated to use in water-based mediums or outdoor applications, remains bright and stable without hydrolysis.
- ● Chemically stable: Inorganic pigment with a shelf life of over 10 years
- ● Great for All Kinds of Application: suitable for making glow in the dark resin, paint, ink, plastics, ceramics,safety signage, toys, glass and so much more.
- ● More Glow Colors: Explore our MHG Yellow-Green, MHSB Sky-Blue, MHP Purple, and the MT Colorful Series.
Technical Specifications
| Model | Size (D50) μm | Afterglow Intensity (mcd/㎡) | Glowing Color (Night) | Appearance (Daytime) | |
|---|---|---|---|---|---|
| 10 min | 60 min | ||||
| MHB-5B | 95±10 | 470 | 85 |  Blue-green |
 Light-yellow |
| MHB-5C | 60±5 | 400 | 65 | ||
| MHB-5D | 40±3 | 350 | 55 | ||
| MHB-5DE | 30±3 | 270 | 40 | ||
| MHB-5E | 15±3 | 200 | 28 | ||
| MHB-4B | 95±10 | 450 | 75 | Blue-green |
 Light-white |
| MHB-4C | 60±5 | 380 | 55 | ||
| MHB-4D | 40±3 | 320 | 45 | ||
| MHB-4DE | 30±3 | 240 | 35 | ||
| MHB-4E | 15±3 | 190 | 25 | ||
| MHB-3C | 60±5 | 250 | 35 | ||
| MHB-3DE | 30±5 | 180 | 25 | ||
| MHB-3E | 15±3 | 100 | 15 | ||
Note:
1. Luminance test conditions: D65 standard light source at 1000LX luminous flux density for 10min of excitation.
2. Particle size B is recommended for production craft of pouring, reverse mould, etc. Particle size C and D are recommended for printing, coating, injection, etc. Particle size E is recommended for printing, wiredrawing, etc.
Properties & Excitation Spectrum
| Produce Code | MHB | Appearance | Solid powder |
| Chemical Name | Strontium aluminate doped with rare earth | PH Value | 10~12 |
| Molecular Formula | Sr4Al14O25:Eu+2,Dy+3 | Density | 3.4 g/cm³ |
| CAS No. | 12004-37-4 | Excitation Wavelength | 240~440nm |
| Daytime Color | Light white | Emitting Wavelength | 490nm |
| Glowing Color | Blue-green | Recommended HS Code | 3206500 |
Why Partner with Minhui? — China's Leading Photoluminescent Manufacturer
Founded in 2003, Zhejiang Minhui Luminous Technology Co., Ltd. is one of the largest and most established manufacturers of photoluminescent pigment and products in China. With 150 employees and 47,000 m² factory, we provide unmatched capacity and technical dominance, delivering safer and more sustainable glow in the dark solutions to clients across 50+ countries.
- ● Unmatched Production Scale: Operating a state-of-the-art facility with 7 dedicated kiln lines and over 70 powder processing equipments, we guarantee a highly stable annual output of 500+ tons of premium photoluminescent pigment.
- ● Pioneering R&D Innovation: Backed by 5 specialized laboratories and an annual R&D investment exceeding $500,000, we hold 200+ global patents and continually push the boundaries of luminescent technology.
- ● Setting Global Standards: As member of the Association of Chinese Rare Earth and International Phosphorescent Safety Products Association (PSPA), and a key drafter of 3 national/industry standards, we don't just follow the rules—we create them.
- ● Quality Control: Powered by our ISO 9001 quality system, our photoluminescent pigment are strictly tested to meet REACH, RoHS, ASTM, and IMO standards, making us the top-tier supply partner for world-renowned brands.
