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High-intensity fluorescence under UV-A (365 nm) and visible blue light excitation.
Excellent thermal stability up to 220°C, suitable for medium-temperature processing.
Good compatibility with acrylic, polyester, and polyurethane resin systems.
Non-bleeding formulation ensures color integrity in solvent-based and water-based coatings.
Low heavy metal content, compliant with EN 71-3 and RoHS Directive requirements.
Safety signage and high-visibility traffic markings.
UV-responsive inks for security printing and brand authentication.
Fluorescent coatings for industrial equipment identification and maintenance tagging.
Special-effect paints for automotive trim and novelty consumer products.
Functional additives in polymer masterbatches for PET and ABS injection molding.
| Chemical Type | Organic fluorescent dye dispersed in inert polymeric carrier |
| Product Form | Free-flowing fine powder |
| Appearance | Bright yellow-green powder (dry), fluorescent green-yellow dispersion (wet) |
| Primary Applications | Coatings, inks, plastics, and functional masterbatches |
| Key Features | UV-stable, non-migrating, low dust generation |
| Benefits | Consistent batch-to-batch performance, easy dispersion, minimal viscosity impact |
| Recommended Loading Range | 0.5–3.0 wt% (varies by resin system and opacity requirement) |
| Storage Conditions | Keep sealed in original container at 5–25°C, protect from moisture and direct sunlight |
Q1: What types of resins and polymers is FF-20 compatible with?
A: FF-20 demonstrates good compatibility with a broad range of thermoplastic and thermosetting systems, including ABS, PS, PC, PMMA, PVC, and unsaturated polyesters. It is not recommended for high-temperature processing above 260 °C or in strongly acidic or alkaline media without prior compatibility testing.
Q2: How lightfast is FF-20 under UV exposure?
A: FF-20 offers moderate lightfastness suitable for indoor applications and short-term outdoor use. Prolonged direct UV exposure may lead to gradual fluorescence intensity reduction; for enhanced durability, co-stabilization with UV absorbers or HALS is recommended.
Q3: What is the typical dosage range for achieving strong fluorescence in plastic compounds?
A: FF-20 is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — depending on the base polymer, desired chroma intensity, and part thickness. Optimal loading should be determined through small-scale trials to balance performance, dispersion quality, and cost-effectiveness.
Q4: Does FF-20 require special dispersion equipment or processing conditions?
A: For uniform distribution and maximum fluorescence efficiency, high-shear compounding (e.g., twin-screw extrusion) is preferred over simple dry blending. Pre-dispersion in a carrier resin or masterbatch format is strongly advised to avoid agglomeration and ensure consistent color development.
Q5: Is FF-20 suitable for food-contact or medical-grade applications?
A: FF-20 is not certified for direct food-contact or implantable medical applications. Its suitability for regulated end-uses must be evaluated case-by-case based on final formulation, regulatory jurisdiction, and migration behavior — formal compliance documentation is not available.
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