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High-intensity fluorescence under UV and daylight illumination.
Excellent thermal stability up to 220°C for processing in thermoplastics and coatings.
Good dispersibility in both polar and non-polar resin systems.
Low migration tendency, ensuring color consistency in polymeric matrices.
Compliant with REACH and RoHS directives for restricted substances.
Fluorescent inks for security printing and brand authentication.
UV-responsive masterbatches for plastic packaging and consumer goods.
High-visibility safety signage and traffic-related polymer components.
Specialty coatings for automotive trim and decorative OEM parts.
Fluorescent additives in polyester and acrylic fiber dyeing applications.
| Chemical Type | Organic fluorescent pigment (benzoxazole derivative) |
| Product Form | Free-flowing fine powder |
| Appearance | Bright yellow-green solid with characteristic fluorescence |
| Primary Applications | Plastics, inks, coatings, and synthetic fibers |
| Key Features | UV-stable, non-bleeding, solvent-resistant |
| Benefits | Enhanced visibility, batch-to-batch reproducibility, low dosage efficiency |
| Storage Conditions | Store in cool, dry place away from direct sunlight |
| Shelf Life | 24 months from date of manufacture under recommended conditions |
Q1: What types of resin systems is FB-905 compatible with?
A: Korea FB-905 exhibits good compatibility with a wide range of thermoplastic and thermosetting systems, including ABS, PS, PC, PVC, acrylics, and unsaturated polyesters. It is not recommended for high-temperature processing above 260°C or strongly acidic/alkaline environments without prior compatibility testing.
Q2: How does FB-905 perform under UV exposure and outdoor weathering?
A: FB-905 offers moderate UV stability in standard formulations, but prolonged direct UV exposure may lead to gradual fluorescence intensity reduction. For enhanced outdoor durability, co-addition of UV absorbers and HALS stabilizers is strongly advised, and final performance should be validated under application-specific weathering conditions.
Q3: What is the typical dosage range for achieving strong fluorescent effect?
A: FB-905 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 transparency, desired brightness level, and processing method. Optimal loading should be determined through small-scale trials to balance cost, dispersion quality, and optical performance.
Q4: Is special dispersion equipment required for FB-905?
A: While FB-905 can be incorporated using standard compounding equipment such as twin-screw extruders or high-speed mixers, achieving uniform dispersion and maximum fluorescence intensity benefits from optimized shear conditions and sufficient residence time. Pre-mixing with carrier resins or using masterbatch formats is recommended for critical applications requiring consistent color and brightness.
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