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High-intensity fluorescence under UV and daylight illumination
Excellent thermal stability up to 220°C for processing in thermoplastics and coatings
Good dispersion performance in both polar and non-polar resin systems
Low migration tendency, ensuring color fidelity in PVC and polyolefin applications
Compliant with REACH and RoHS directives for restricted substances
Fluorescent masterbatches for injection-molded safety signage
UV-responsive inks for security printing and packaging labels
High-visibility coatings for industrial equipment and traffic barriers
Fluorescent additives in polycarbonate and ABS automotive trim components
Specialty films for retail display and promotional graphics
| Chemical Type | Disazo fluorescent pigment |
| Product Form | Fine free-flowing powder |
| Appearance | Bright yellow-green powder |
| Primary Applications | Plastics, inks, coatings, and films |
| Key Features | UV-stable, heat-resistant, low bleed |
| Particle Size (D50) | 1.8–2.2 µm |
| Volatile Matter (max) | 1.5% w/w |
| Heavy Metals (Pb, Cd, Hg, Cr⁶⁺) | Below detection limit per EN 71-3 |
Q1: What types of resin systems is Korea FB-403 compatible with?
A: Korea FB-403 exhibits good compatibility with a wide range of thermoplastic and thermosetting systems, including ABS, PS, PC, PET, PMMA, and epoxy resins. It is not recommended for use in highly polar or strongly acidic/alkaline media without prior compatibility testing.
Q2: How does FB-403 perform under UV exposure and thermal processing?
A: FB-403 offers moderate UV stability suitable for indoor applications and short-term outdoor exposure. Its fluorescent intensity may gradually diminish under prolonged UV irradiation. Thermal stability supports standard melt-processing conditions up to approximately 220°C for typical residence times, though extended heating above this threshold may affect brightness.
Q3: Is FB-403 suitable for food-contact or medical-grade applications?
A: Korea FB-403 is not certified for direct food-contact or implantable medical applications. It is intended for general industrial and decorative uses. Customers requiring regulatory compliance for specific end-use markets must conduct full regulatory assessment and validation per applicable local requirements.
Q4: What is the typical dosage range for optimal fluorescence effect?
A: Optimal loading typically ranges from 0.1% to 2% by weight, depending on the base polymer, desired chroma intensity, and part thickness. Higher concentrations do not always yield proportionally brighter results and may impact dispersion quality or mechanical properties.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
