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High-intensity fluorescence under UV-A (365 nm) and daylight illumination.
Excellent thermal stability up to 180°C for short-term processing in polymer extrusion and injection molding.
Good compatibility with common thermoplastics including ABS, PS, and PVC.
Low migration tendency in plastic matrices, ensuring long-term color fidelity.
Non-hazardous formulation compliant with REACH and RoHS directives (excluding fluorescent additives exemptions).
Safety signage and emergency exit markings in architectural and transportation infrastructure.
Fluorescent components in consumer electronics housings and decorative appliance panels.
High-visibility elements in sportswear textiles and performance apparel accessories.
UV-responsive inks for security printing and brand authentication labels.
Fluorescent masterbatches for automotive interior trim requiring daytime visibility enhancement.
| Chemical Type | Organic fluorescent dye dispersed in polymeric carrier |
| Product Form | Free-flowing granular masterbatch (20% pigment loading) |
| Appearance | Yellow-orange granules with uniform size distribution |
| Primary Applications | Thermoplastic coloring, UV-responsive marking, safety-critical visual elements |
| Key Features | UV-stable fluorescence, low dust generation, heat-resistant dispersion |
| Benefits | Consistent batch-to-batch performance, easy dosing, minimal equipment fouling |
| Storage Conditions | Store in dry, cool conditions (<25°C); protect from direct sunlight and moisture |
| Regulatory Compliance | REACH SVHC-free; RoHS-compliant (EU Directive 2011/65/EU) |
Q1: What types of resin systems is FL-905 compatible with?
A: FL-905 demonstrates good compatibility with a broad range of thermoplastic and thermosetting systems, including ABS, PS, PC, PMMA, PVC, and epoxy resins. It is not recommended for high-temperature processing above 260°C or strongly acidic/alkaline media without prior compatibility testing.
Q2: How does FL-905 perform under UV exposure and outdoor weathering?
A: FL-905 offers moderate UV resistance in stabilized polymer matrices but is not inherently weatherproof. For long-term outdoor applications, it should be used with appropriate UV stabilizers and protective topcoats to maintain fluorescence intensity and prevent fading.
Q3: Is FL-905 suitable for food-contact or medical-grade applications?
A: FL-905 is intended for industrial and decorative applications only. It is not certified for direct food contact, pharmaceutical use, or implantable medical devices. Regulatory compliance must be verified separately by the end-user according to applicable regional requirements.
Q4: 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 polymer, desired chroma intensity, and processing method. Higher concentrations may cause aggregation or reduce mechanical properties — dispersion quality and melt homogeneity are critical for consistent performance.
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