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High-intensity fluorescence under UV-A (365 nm) and daylight conditions.
Excellent thermal stability up to 220°C, suitable for polymer processing.
Good dispersion performance in both polar and non-polar resin systems.
Low migration tendency in PVC, ABS, PS, and polyolefin matrices.
Compliant with REACH and RoHS directives for restricted substances.
Security printing inks for banknotes, passports, and tax stamps.
Fluorescent masterbatches for plastic packaging and safety signage.
UV-responsive coatings for industrial marking and anti-counterfeiting labels.
Special-effect inks for textile screen printing and promotional materials.
Fluorescent additives in acrylic-based architectural paints and decorative finishes.
| Chemical Type | Organic fluorescent dye dispersed in inert polymeric carrier |
| Product Form | Free-flowing fine powder |
| Appearance | Bright yellow-green powder with uniform particle distribution |
| Primary Applications | Plastics, inks, coatings, and masterbatch systems |
| Key Features | UV-excitable, non-bleeding, solvent-resistant |
| Benefits | Enhanced visibility, batch-to-batch consistency, easy incorporation |
| Storage Conditions | Store in cool, dry place below 30°C; protect from direct sunlight and moisture |
| Shelf Life | 24 months from date of manufacture under recommended storage |
Q1: What types of resins and polymers is FL-805 compatible with?
A: FL-805 demonstrates good compatibility with a broad range of thermoplastic and thermosetting systems, including ABS, PS, PVC, PET, acrylics, and polyurethane-based coatings. It is not recommended for high-temperature engineering plastics like PEEK or PPS without prior thermal stability evaluation.
Q2: How does FL-805 perform under UV exposure and outdoor weathering?
A: FL-805 offers moderate UV resistance in stabilized formulations but is not inherently weatherproof. For extended outdoor use, it should be combined with appropriate UV absorbers and HALS stabilizers—and ideally protected beneath a clear, UV-stabilized topcoat to maintain fluorescence intensity and minimize fading.
Q3: What is the typical dosage range for optimal fluorescence effect?
A: Optimal loading generally ranges from 0.1% to 2% by weight, depending on the base medium’s opacity, film thickness, and desired chromatic intensity. Lower concentrations are often sufficient in transparent systems, while higher loadings may be needed in semi-opaque or heavily pigmented matrices—always subject to dispersion quality and potential quenching effects.
Q4: Is FL-805 suitable for food-contact or toy applications?
A: FL-805 is intended for industrial and decorative applications only. It has not been certified for direct food contact, pharmaceutical packaging, or toys governed by strict migration or heavy metal regulations. Customers requiring compliance must conduct full regulatory validation per their target market and application.
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