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High chroma and excellent lightfastness for durable color performance.
Good thermal stability suitable for processing temperatures up to 200 °C.
Excellent dispersibility in common organic solvent-based and water-based systems.
Low volatility and minimal extractables, supporting compliance with stringent regulatory requirements.
Consistent batch-to-batch color strength and hue reproducibility.
Automotive coatings (OEM and refinish).
Industrial coil coatings and can coatings.
Plastic coloration including polyolefins and engineering thermoplastics.
Printing inks for packaging and commercial printing.
Wood and furniture finishes requiring high clarity and gloss retention.
| Chemical Type | Azo pigment (disazo) |
| Product Form | Free-flowing powder |
| Appearance | Yellow to greenish-yellow powder |
| Primary Applications | Coatings, plastics, inks |
| Key Features | High transparency, good weather resistance |
| Benefits | Enhanced color strength and processability |
| Regulatory Compliance | REACH registered; compliant with EU Directive 2004/42/EC (VOC) |
Q1: What is the primary chemical class of Hostasol Yellow 3G 98?
A: Hostasol Yellow 3G 98 is an organic pigment based on the monoazo chemical structure, specifically designed for high chroma and clean yellow shade in demanding applications.
Q2: Is this pigment suitable for food-contact plastics?
A: Hostasol Yellow 3G 98 is not approved for direct food-contact applications under major global regulatory frameworks. It is intended for non-food-contact industrial and decorative uses, such as general-purpose plastics, coatings, and inks.
Q3: How does its heat stability compare to standard azo pigments?
A: Hostasol Yellow 3G 98 offers enhanced thermal stability relative to conventional monoazo pigments, enabling use in medium-temperature polymer processing such as polyolefin compounding and ABS injection molding—though it is not recommended for high-heat engineering resins like PEEK or PSU.
Q4: What dispersion methods are recommended for optimal performance?
A: For best results, pre-dispersion using high-shear mixing or extrusion is recommended. The pigment performs well with common dispersants used in polyolefins and styrenics, and benefits from optimized melt temperature and residence time during compounding.
Q5: Can it be used in water-based systems?
A: While primarily developed for solvent-based inks and thermoplastic polymers, Hostasol Yellow 3G 98 can be formulated into aqueous dispersions using appropriate surfactant stabilization—however, performance consistency may vary depending on pH, ionic strength, and binder compatibility.
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E-mail: wangxingqiang@ericwchem.com
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