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High chroma and clean greenish-yellow hue ideal for vibrant color matching in demanding applications.
Excellent dispersibility in water-based and solvent-based systems, enabling efficient pigment incorporation and reduced milling time.
Good lightfastness and weather resistance, supporting long-term color stability in outdoor-exposed coatings and inks.
Low volatility and non-hazardous classification under GHS (no acute toxicity, no skin sensitization), supporting safer handling and regulatory compliance.
Optimized particle size distribution for enhanced transparency and gloss retention in clearcoat and ink formulations.
Automotive OEM and refinish basecoat and clearcoat systems.
Industrial maintenance and coil coatings requiring high durability and color fidelity.
Publication gravure and flexographic inks for packaging and labeling.
Architectural and decorative waterborne wall paints.
Plastic coloration for interior automotive parts and consumer goods (e.g., PP, ABS).
| Chemical Type | Azo pigment (Benzimidazolone derivative) |
| Product Form | Fine powder, free-flowing |
| Appearance | Yellow to greenish-yellow powder |
| Primary Applications | Coatings, inks, plastics |
| Key Features | High tinting strength, excellent dispersion stability, low dusting |
| Benefits | Reduced formulation complexity, improved batch-to-batch consistency, compatibility with common dispersants |
| Regulatory Status | REACH registered; compliant with EU Directive 2009/48/EC (Toy Safety) and FDA 21 CFR 178.3297 (indirect food contact) |
| Storage Conditions | Store in cool, dry place below 30 °C; keep container tightly closed |
Q1: What is the primary application field for Viscofil Yellow RR 31 VP3503?
A: This pigment is specifically developed for use in high-performance industrial coatings and inks, particularly where excellent heat stability, lightfastness, and dispersion consistency are required—such as in coil coating, automotive refinish, and packaging inks.
Q2: Is Viscofil Yellow RR 31 VP3503 suitable for water-based systems?
A: Yes, it is formulated to provide good compatibility and rheological behavior in both water-based and solvent-based systems, though optimal performance depends on proper dispersant selection and milling conditions.
Q3: How does this pigment compare to conventional yellow organic pigments in terms of thermal stability?
A: Viscofil Yellow RR 31 VP3503 offers enhanced thermal stability compared to many standard arylide yellows, enabling its use in applications involving elevated processing temperatures—such as hot-melt extrusion or high-bake coatings—without significant hue shift or degradation.
Q4: What type of dispersion support is recommended for optimal performance?
A: For best results, use high-shear dispersion with compatible polymeric or surfactant-based dispersants tailored for high-polarity yellow pigments. Pre-dispersed pastes or masterbatches are also available and often preferred for consistent color development and reduced handling variability.
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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
