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High-intensity fluorescence under UV-A (365 nm) and daylight conditions.
Excellent thermal stability up to 220°C, suitable for extrusion and high-temperature processing.
Good dispersion stability in both polar and non-polar polymer matrices.
Low migration tendency in PVC, PS, ABS, and polyolefin systems.
Compliant with REACH and RoHS directives for restricted substances.
Security printing inks for banknotes, ID cards, and tax stamps.
Fluorescent masterbatches for safety signage and traffic cones.
UV-responsive coatings for industrial marking and anti-counterfeiting labels.
Special-effect inks in packaging and premium cosmetic containers.
Fluorescent additives in engineering plastics for automotive interior trim components.
| Chemical Type | Organic fluorescent dye derivative (benzoxazole-based) |
| Product Form | Free-flowing fine powder |
| Appearance | Yellow-orange dry powder, uniform particle size distribution |
| Primary Applications | Polymer masterbatches, solvent-based & UV-curable inks, thermoplastic coatings |
| Key Features | UV-excitable, non-phosphorescent, high chroma yellow-green emission |
| Benefits | Enhanced visibility, batch-to-batch color consistency, low dosage requirement (0.1–0.5 wt%) |
| Storage Conditions | Store in cool, dry place (<25°C), away from direct sunlight and moisture |
| Shelf Life | 24 months from date of manufacture when stored properly |
Q1: What types of resin systems is Korea PA-205 compatible with?
A: Korea PA-205 exhibits good compatibility with common thermoplastic resins including ABS, PS, PC, and acrylics. It can also be incorporated into certain thermoset systems such as unsaturated polyesters and epoxy formulations, though dispersion stability and thermal resistance should be verified during processing.
Q2: How does PA-205 perform under UV exposure and elevated temperatures?
A: PA-205 offers moderate UV stability for short- to medium-term outdoor applications but is not designed for prolonged direct sunlight exposure without protective overcoating or UV stabilizer synergy. Thermal stability supports standard melt-processing conditions up to approximately 220°C for brief residence times.
Q3: What is the typical dosage range for achieving strong fluorescent effect in plastic masterbatches?
A: Dosage depends on base resin, desired intensity, and processing method, but typical loading ranges from 0.1% to 2% by weight in final compounds. Lower concentrations often suffice for bright effects in transparent or light-colored matrices, while higher loadings may be needed for opaque or dark substrates.
Q4: Is PA-205 suitable for food-contact or medical-grade applications?
A: Korea PA-205 is intended for general industrial and decorative applications. It is not certified for direct food contact, pharmaceutical, or implantable medical use. Customers requiring regulatory compliance must conduct full formulation-level testing and consult applicable regional regulations.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
