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High thermal stability up to 280°C, ensuring color integrity during high-temperature processing.
Excellent dispersion performance in both polar and non-polar polymer matrices without additional dispersants.
Low migration tendency, meeting stringent regulatory requirements for food-contact and medical-grade applications.
UV-resistant formulation providing long-term chromatic stability under outdoor exposure conditions.
Halogen-free and REACH-compliant, supporting sustainable manufacturing and global market access.
Polypropylene (PP) and polyethylene (PE) injection-molded automotive interior components.
Masterbatch production for engineering plastics including ABS, PC, and PBT.
Color concentrates used in synthetic fibers for technical textiles and geotextiles.
Extruded profiles and films requiring consistent hue and high batch-to-batch reproducibility.
Medical device housings where biocompatibility and extractable control are critical.
| Chemical Type | Organic pigment dispersion system with proprietary surface modifier |
| Product Form | Free-flowing granular concentrate |
| Appearance | Uniform dark red granules |
| Primary Applications | Thermoplastics, masterbatches, synthetic fibers |
| Key Features | Thermal stability, low migration, UV resistance, halogen-free |
| Recommended Loading Range | 1.5–4.0 wt% depending on substrate and opacity requirement |
| Storage Conditions | Store in dry, cool conditions (15–25°C); avoid direct sunlight and moisture |
| Regulatory Compliance | REACH registered; compliant with FDA 21 CFR §178.3297 (for indirect food contact) |
Q1: What is Pigment System FR58 primarily designed for?
A: Pigment System FR58 is a specialized, thermally stable pigment dispersion formulated for coloring high-performance engineering plastics—particularly polyamide (PA), polyphenylene sulfide (PPS), and polyetherimide (PEI)—in demanding applications such as automotive under-hood components and electronic housings.
Q2: Is FR58 suitable for food-contact or medical-grade polymer applications?
A: FR58 is not pre-qualified for direct food-contact or implantable medical use. It may be considered for indirect food-contact or non-implantable medical device housings, subject to full formulation validation and compliance with applicable regional regulatory requirements—including migration testing and extractables profiling—as determined by the end-user’s qualified safety assessment.
Q3: How should FR58 be incorporated into polymer melts?
A: FR58 is supplied as a ready-to-use masterbatch and is typically introduced via gravimetric or volumetric dosing directly into the feed throat of extruders or injection molding machines. Good melt mixing is essential; it performs best when processed at temperatures compatible with the host polymer’s thermal stability window and avoids prolonged residence at peak temperature.
Q4: Does FR58 contain halogenated flame retardants or heavy metals?
A: No. Pigment System FR58 is formulated without brominated, chlorinated, or iodinated flame retardants, and is free from lead, cadmium, mercury, and hexavalent chromium in accordance with RoHS Directive principles. Its color performance does not rely on regulated heavy-metal pigments.
Q5: Can FR58 be used in laser-markable or conductive polymer systems?
A: FR58 is compatible with many laser-markable base resins and does not inherently interfere with CO₂ or fiber laser marking contrast. However, its effect on laser response must be verified per final formulation. For conductive systems, FR58 shows no adverse interaction with common carbon-based or metal-flake fillers, though conductivity impact should be assessed empirically due to potential surface coverage effects.
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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
