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High chroma and excellent color strength in demanding pigmentary applications.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good lightfastness and weather resistance in outdoor-relevant formulations.
Excellent dispersibility in both solvent-based and water-based systems.
Low volatility and minimal migration, supporting compliance with stringent regulatory requirements.
Automotive coatings requiring high durability and gloss retention.
Industrial coil coatings for architectural and appliance substrates.
Plastic coloration, especially in polyolefins and engineering thermoplastics.
High-performance printing inks for packaging and decorative films.
Specialty powder coatings demanding consistent hue and batch-to-batch reproducibility.
| Chemical Type | Benzimidazolone derivative |
| Product Form | Free-flowing powder |
| Appearance | Reddish-brown fine powder |
| Primary Applications | Coatings, plastics, inks |
| Key Features | High heat stability, low migration, good dispersion |
| Benefits | Color consistency, process robustness, regulatory compliance (e.g., REACH) |
| Recommended Dispersing Media | Acrylic resins, polyester resins, polyolefin masterbatches |
| Storage Conditions | Store in cool, dry place; avoid moisture and direct sunlight |
Q1: What is the primary application field for BASF K1740 B3RN 83?
A: BASF K1740 B3RN 83 is primarily formulated for high-performance industrial coatings, including automotive refinish and premium coil coating systems, where excellent lightfastness, thermal stability, and dispersion consistency are required.
Q2: Is K1740 B3RN 83 suitable for water-based systems?
A: Yes, it is specifically engineered for compatibility with both solvent-borne and water-based industrial coating formulations, offering good stabilization in acrylic and polyurethane dispersions without significant flocculation or viscosity drift.
Q3: How does K1740 B3RN 83 perform under elevated temperature conditions?
A: It demonstrates robust thermal stability, maintaining color integrity and minimal hue shift during typical curing cycles used in coil and automotive OEM applications, supporting processing temperatures up to approximately 200 °C for short durations.
Q4: What is the recommended dosage range for optimal performance?
A: Dosage depends on formulation requirements and desired opacity, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to total solids—to achieve strong chroma and good hiding power without compromising film properties.
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