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High-intensity fluorescence under UV and daylight illumination.
Excellent thermal stability up to 220°C for compatibility with high-temperature processing.
Good dispersibility in both polar and non-polar organic media.
Low migration tendency in polymer matrices, ensuring color fidelity over time.
Compliant with major international regulatory frameworks for general industrial use.
Security printing in banknotes, certificates, and ID documents.
Fluorescent inks for packaging and labeling requiring visual verification.
Special-effect coatings for automotive trim and consumer electronics.
Plastic coloration for toys, stationery, and promotional items.
UV-responsive signage and safety markings in low-light environments.
| Chemical Type | Organic fluorescent dye derivative |
| Product Form | Fine free-flowing powder |
| Appearance | Bright yellow-green powder (dry state) |
| Primary Applications | Inks, coatings, plastics, security printing |
| Key Features | UV-A/visible excitation, high chroma, non-bleeding |
| Benefits | Easy incorporation, consistent batch-to-batch performance |
| Storage Conditions | Keep in cool, dry place; protect from direct sunlight |
| Shelf Life | 24 months from date of manufacture under recommended storage |
Q1: What types of resin systems is FWB-707 compatible with?
A: FWB-707 exhibits good compatibility with a wide range of thermoplastic and thermosetting systems, including ABS, PS, PVC, acrylics, polyesters, and epoxy resins. Compatibility should always be verified through small-scale trials due to formulation-specific interactions.
Q2: How does FWB-707 perform under UV exposure and outdoor weathering?
A: FWB-707 delivers strong initial fluorescence but, like most organic fluorescent pigments, its long-term photostability is limited under prolonged UV and environmental exposure. For improved durability, it is recommended to use UV stabilizers and protective topcoats in outdoor applications.
Q3: Is FWB-707 suitable for food-contact or pharmaceutical packaging applications?
A: FWB-707 is not certified for direct food contact or pharmaceutical use. It is intended for general industrial, decorative, and non-regulated functional applications. Customers requiring regulatory compliance must conduct full safety and migration assessments per applicable jurisdiction.
Q4: What is the typical dosage range for achieving optimal fluorescence intensity?
A: Optimal fluorescence intensity is generally achieved at low concentrations—typically ranging from 0.1% to 2% by weight relative to the base polymer or binder—depending on substrate opacity, desired brightness, and processing conditions. Overloading may cause aggregation and reduced performance.
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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
