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High chroma and clean red shade with excellent bluish undertone for vivid scarlet reproduction.
Outstanding thermal stability up to 280 °C, suitable for demanding high-temperature processing.
Excellent lightfastness (ISO 105-B02: Grade 7–8) and weather resistance in outdoor applications.
Good dispersibility in both polar and non-polar media, enabling efficient incorporation into various resin systems.
Compliant with major global regulatory frameworks including REACH, RoHS, and US FDA 21 CFR §178.3297 for food-contact-safe pigments.
Automotive coatings – basecoats and clearcoat-tinted systems requiring high durability and gloss retention.
Industrial coil coatings – for pre-painted metal used in building façades and appliances.
Engineering plastics – ABS, PS, PC/ABS blends for consumer electronics and automotive interior parts.
High-performance inks – UV-curable and solvent-based gravure/offset inks for packaging and labels.
Masterbatches – for polyolefins (PP, PE) and engineering thermoplastics requiring consistent color strength and heat stability.
| Chemical Type | Quinacridone derivative |
| Product Form | Free-flowing fine powder |
| Appearance | Bright scarlet-red powder |
| Primary Applications | Coatings, plastics, inks |
| Key Features | High tinctorial strength, low migration, excellent opacity |
| Benefits | Reduced dosage requirement, improved batch-to-batch consistency, enhanced UV resistance |
| Recommended Processing Temperature Range | Up to 280 °C (short-term) |
| Regulatory Status | REACH registered; compliant with EU Directive 2002/61/EC and FDA 21 CFR §178.3297 |
Q1: What are the primary application areas for Cromophtal Scarlet D3540/ RN/166?
A: This high-performance organic pigment is widely used in industrial coatings—including automotive refinish, coil coating, and general metal finishing—where excellent lightfastness, heat stability, and gloss retention are required. It is also suitable for selected high-end plastics applications demanding strong chromatic strength and good dispersibility.
Q2: Is Cromophtal Scarlet D3540/ RN/166 suitable for food-contact or pharmaceutical applications?
A: No—this grade is not approved for direct food contact, pharmaceutical, or cosmetic use. It is formulated and qualified for industrial coating and engineering plastic applications only. Regulatory compliance must be verified separately for each end-use formulation and jurisdiction.
Q3: How does this pigment perform under elevated temperature conditions?
A: Cromophtal Scarlet D3540/ RN/166 exhibits good thermal stability, supporting processing in standard industrial coating baking cycles and many thermoplastic compounding operations. Performance at extended high-temperature exposure depends on binder system, pigment concentration, and atmospheric conditions.
Q4: What dispersion methods are recommended for optimal color development?
A: For best results, high-shear dispersion in suitable resin vehicles is recommended—such as using dissolvers, bead mills, or three-roll mills. Optimal dispersion time and energy input depend on the specific vehicle viscosity, solids content, and equipment configuration. Pre-wetting with compatible solvents or resins may improve efficiency.
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