High-intensity fluorescence under UV and daylight illumination
Excellent thermal stability up to 220°C for extrusion and molding processes
Good compatibility with common polymers including PVC, PS, ABS, and PET
Low migration tendency ensuring color fidelity in flexible packaging films
Non-hazardous formulation compliant with REACH and RoHS directives
Safety signage and emergency wayfinding systems
UV-responsive security inks for banknotes and ID documents
Bright fluorescent masterbatches for plastic packaging
High-visibility coatings for sportswear and outdoor gear
Fluorescent additives in cosmetic packaging plastics
| Chemical Type | Organic fluorescent dye dispersed in polymeric carrier |
| Product Form | Free-flowing granular masterbatch (10–25% pigment loading) |
| Appearance | Yellow-orange granules with uniform size distribution |
| Primary Applications | Polymer coloring, security printing, safety labeling |
| Key Features | UV-A and visible-light excitation, photostable under indoor conditions |
| Benefits | Easy dispersion, no dust generation, consistent batch-to-batch performance |
| Storage Conditions | Keep sealed in cool, dry place away from direct sunlight |
| Regulatory Compliance | Compliant with EU REACH Annex XVII; non-POPs, non-PFAS |
Q1: What types of resin systems is FL-507 compatible with?
A: FL-507 demonstrates good compatibility with a broad range of thermoplastic and thermosetting systems, including ABS, PS, PC, PMMA, PVC, and unsaturated polyester resins. Performance may vary depending on processing temperature and residence time, so compatibility testing under actual production conditions is recommended.
Q2: How does FL-507 perform under UV exposure and outdoor weathering?
A: FL-507 offers moderate lightfastness in standard formulations but is not inherently UV-stabilized. For extended outdoor applications, co-addition of appropriate UV absorbers and HALS stabilizers is strongly advised to maintain fluorescence intensity and reduce fading.
Q3: What is the typical dosage range for achieving strong fluorescent effect?
A: FL-507 is highly efficient and typically used at low concentrations. The effective dosage generally ranges from 0.1% to 2% by weight, depending on the base polymer, desired chroma intensity, film thickness, and processing method. Optimal loading should be determined empirically for each formulation.
Q4: Can FL-507 be used in food-contact plastics?
A: FL-507 is not certified for direct food-contact applications. It is intended for non-food industrial, decorative, and functional uses where regulatory compliance for migration or toxicity is not required. Customers requiring food-grade fluorescent pigments must consult regulatory specialists and select appropriately approved alternatives.
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