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High chroma and excellent lightfastness for vibrant, durable yellow shades.
Optimized particle size distribution for superior dispersion stability in aqueous systems.
Low volatility and minimal extractables—suitable for demanding regulatory environments.
Good compatibility with common water-based binders including acrylics and styrene-acrylic copolymers.
Consistent batch-to-batch color performance ensured by Clariant’s stringent quality control.
Architectural coatings (interior and exterior wall paints).
Industrial maintenance coatings for metal and concrete substrates.
Water-based wood stains and clear finishes.
Printing inks for packaging and labeling applications.
Plastic coloration in PVC and ABS compounds requiring low-temperature processing.
| Chemical Type | Azo pigment (disazo) |
| Product Form | Fine powder |
| Appearance | Bright greenish-yellow powder |
| Primary Applications | Water-based coatings, inks, and plastics |
| Key Features | Excellent dispersibility, high tinctorial strength, good heat stability up to 180°C |
| Benefits | Reduced grinding time, improved gloss retention, low dust generation during handling |
| Regulatory Compliance | REACH registered; compliant with EN 71-3 for toy safety (heavy metals) |
| pH Range (in dispersion) | 6.5–8.5 |
Q1: What is the primary application field for Viscofil Yellow 2GLL?
A: Viscofil Yellow 2GLL is specially developed for use in solvent-based and water-based gravure and flexographic inks, particularly where high transparency, clean hue, and excellent dispersion stability are required.
Q2: Is Viscofil Yellow 2GLL suitable for food packaging inks?
A: Yes — this pigment is designed for use in inks intended for non-direct food contact packaging applications. Formulators should verify final ink compliance with applicable regional regulations through full system testing.
Q3: How does Viscofil Yellow 2GLL perform in terms of lightfastness and heat stability?
A: It offers good lightfastness under typical indoor display conditions and demonstrates thermal stability suitable for standard ink drying and processing temperatures encountered in rotogravure and flexo printing.
Q4: What is the recommended dosage range when using Viscofil Yellow 2GLL in ink formulations?
A: Dosage depends on formulation requirements and desired color strength, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight in finished ink systems.
Q5: Does Viscofil Yellow 2GLL require special dispersing equipment or pre-treatment before incorporation into inks?
A: It disperses readily using standard high-shear mixing equipment commonly employed in ink manufacturing; no specialized pre-treatment is necessary, though optimal dispersion is achieved with appropriate resin selection and milling time.
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