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High chroma and excellent color strength in both aqueous and solvent-based systems.
Outstanding thermal stability up to 280 °C, suitable for high-temperature processing including powder coating extrusion.
Good lightfastness (ISO 105-B02: Grade 7–8) and weather resistance in outdoor applications.
Low volatility and minimal migration behavior, ensuring long-term color integrity in polymer matrices.
Optimized particle size distribution for enhanced dispersion stability and gloss retention.
Automotive OEM and refinish coatings requiring consistent hue and batch-to-batch reproducibility.
Industrial coil coatings for metal roofing, cladding, and appliance finishes.
Engineering thermoplastics including polyamide (PA6/PA66), polybutylene terephthalate (PBT), and polycarbonate (PC).
High-performance powder coatings for architectural aluminum profiles and outdoor furniture.
Specialty inks for flexible packaging films demanding FDA-compliant pigmentation.
| Chemical Type | Benzimidazolone organic pigment |
| Product Form | Free-flowing granular powder |
| Appearance | Dark greenish-black granules |
| Primary Applications | Coatings, engineering plastics, powder coatings |
| Key Features | High thermal stability, low migration, excellent dispersibility |
| Benefits | Consistent color development, reduced filter clogging, extended equipment life |
| Recommended Carrier Solvents | Acrylic resins in xylene, butyl acetate, or PGMEA |
| Storage Conditions | Keep in cool, dry place; protect from moisture and direct sunlight |
Q1: What is the primary application area for BASF A3B-B 6480K pigment?
A: BASF A3B-B 6480K is a high-performance organic pigment dispersion designed primarily for use in water-based industrial coatings, including architectural paints, protective coatings, and certain printing inks where excellent color strength, lightfastness, and dispersion stability are required.
Q2: Is this pigment suitable for food-contact or pharmaceutical applications?
A: No — BASF A3B-B 6480K is not certified for direct food contact or pharmaceutical use. It is formulated for industrial coating systems and does not meet regulatory requirements for substances intended for ingestion or mucosal exposure.
Q3: How should A3B-B 6480K be incorporated into a water-based formulation?
A: It is supplied as a stable aqueous dispersion and can be added directly during the let-down stage. For optimal performance, incorporate under moderate agitation and avoid high-shear mixing that may destabilize the pigment particles. Pre-dilution with deionized water is recommended if compatibility with other components is uncertain.
Q4: Does this pigment offer good resistance to UV exposure and weathering?
A: Yes — A3B-B 6480K exhibits very good lightfastness and improved UV stability compared to standard organic pigments, making it suitable for exterior applications where long-term color retention is critical. Performance in actual service conditions depends on the full binder system and film thickness.
Q5: What is the typical dosage range when using this pigment in architectural coatings?
A: Dosage depends on the desired shade intensity and opacity, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight relative to total formulation — due to its high tinting strength and efficient dispersion characteristics.
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