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High-intensity fluorescence under UV and daylight illumination.
Excellent thermal stability up to 220°C for compatibility with polymer processing.
Good dispersion performance in both polar and non-polar resin systems.
Low migration tendency in plastic and ink matrices, ensuring long-term color fidelity.
Non-hazardous formulation compliant with REACH and RoHS directives.
Fluorescent masterbatches for polyolefin and PVC injection molding.
Security printing inks for banknotes, certificates, and ID documents.
UV-reactive coatings for industrial signage and safety markings.
Special-effect inks for textile screen printing and packaging decoration.
Fluorescent additives in cosmetic-grade plastics (non-contact applications).
| Chemical Type | Disazo-based fluorescent organic pigment |
| Product Form | Free-flowing fine powder |
| Appearance | Bright yellow-green powder |
| Primary Applications | Plastics, inks, coatings, and masterbatches |
| Key Features | UV-stable, heat-resistant, low volatility |
| Benefits | High chroma, consistent batch-to-batch performance |
| Storage Conditions | Store in cool, dry place away from direct sunlight |
| Regulatory Status | REACH registered; RoHS compliant; no SVHC substances |
Q1: What types of polymer systems is FWB-207 compatible with?
A: FWB-207 exhibits good compatibility with a range of thermoplastic resins including polyethylene (PE), polypropylene (PP), polystyrene (PS), and ABS. It is also suitable for use in certain acrylic and polyester-based systems, though thermal stability during processing should be verified for each specific formulation.
Q2: How does FWB-207 perform under UV exposure and outdoor weathering?
A: FWB-207 offers moderate UV resistance in stabilized polymer matrices, but its fluorescence intensity may gradually diminish under prolonged direct sunlight or aggressive outdoor conditions. For extended outdoor applications, co-stabilization with UV absorbers and HALS is recommended to improve retention of brightness and color fidelity.
Q3: What is the recommended dosage range for optimal fluorescence effect?
A: The typical dosage ranges from 0.1% to 2% by weight, depending on the base polymer, desired chroma intensity, film thickness, and processing method. Lower concentrations are often sufficient in thin-section applications, while higher loadings may be needed in opaque or highly pigmented systems—always confirm dispersion quality and avoid agglomeration at elevated levels.
Q4: Can FWB-207 be used in food-contact plastics?
A: FWB-207 is not pre-approved for food-contact applications under major regulatory frameworks (e.g., FDA 21 CFR or EU Plastics Regulation). Its suitability must be evaluated case-by-case based on final formulation, migration testing, and compliance with applicable local regulations—consult a qualified regulatory specialist before use in such applications.
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