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High chroma and excellent lightfastness for long-term color stability in demanding applications.
Outstanding thermal stability suitable for high-temperature processing up to 220 °C.
Good dispersibility in both solvent-based and water-based systems with low viscosity impact.
Compliant with major global regulatory frameworks including REACH and FDA 21 CFR for indirect food contact.
Consistent batch-to-batch color reproducibility supported by Clariant’s stringent quality control.
Automotive coatings requiring high durability and weather resistance.
Industrial maintenance paints for corrosion protection and aesthetic performance.
Plastic coloration, especially for polyolefins and engineering thermoplastics.
Printing inks for flexible packaging and label applications.
High-performance architectural coatings exposed to UV and environmental stress.
| Chemical Type | Polycyclic Azo Pigment |
| Product Form | Free-flowing powder |
| Appearance | Reddish-brown fine powder |
| Primary Applications | Coatings, Plastics, Inks |
| Key Features | High opacity, good migration resistance, low dusting |
| Benefits | Enhanced color strength, reduced formulation complexity, extended service life |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
| Shelf Life | 36 months from date of manufacture under recommended storage |
Q1: What is the primary application field for Graphtol F5RK?
A: Graphtol F5RK is specifically developed for high-performance industrial coatings and inks, where excellent lightfastness, thermal stability, and dispersion consistency are required—particularly in automotive refinish, coil coating, and premium packaging inks.
Q2: Is Graphtol F5RK suitable for water-based systems?
A: Yes, Graphtol F5RK is engineered for compatibility with both solvent-borne and water-based formulations. Its surface treatment supports stable dispersion in aqueous media, though optimal performance requires appropriate dispersant selection and milling conditions.
Q3: How does Graphtol F5RK compare to conventional phthalocyanine blue pigments in terms of tinting strength and transparency?
A: Graphtol F5RK delivers higher tinting strength and superior transparency compared to standard copper phthalocyanine blues, making it especially suited for metallic and pearlescent effect systems where clean, vivid blue undertones and minimal masking of effect pigments are critical.
Q4: What are the recommended handling and storage conditions?
A: Store in original sealed containers in a cool, dry place away from direct sunlight and sources of heat or ignition. Avoid prolonged exposure to high humidity, as moisture may affect dispersibility. Always follow standard industrial hygiene practices when handling powdered organic pigments.
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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
