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High chroma yellow shade with excellent color strength and clean undertone.
Outstanding thermal stability—suitable for processing up to 280 °C in engineering plastics.
Good lightfastness and weather resistance in demanding outdoor applications.
Low migration and blooming resistance in PVC, polyolefins, and styrenics.
Optimized for dispersion stability in both solvent-based and water-based systems.
Automotive interior and exterior plastic components (e.g., dashboards, bumpers).
Packaging films and containers requiring FDA-compliant colorants for non-direct food contact.
Industrial coatings for machinery, agricultural equipment, and construction materials.
Masterbatch formulations for injection-molded consumer goods and technical parts.
Engineering thermoplastics including ABS, PS, PC/ABS blends, and polypropylene.
| Chemical Type | Azo pigment (disazo) |
| Product Form | Free-flowing powder |
| Appearance | Yellow to greenish-yellow powder |
| Primary Applications | Plastics, coatings, inks |
| Key Features | Thermal stability, low migration, high tinctorial strength |
| Benefits | Consistent batch-to-batch color performance and ease of dispersion |
| Regulatory Status | Compliant with EU REACH; suitable for non-food-contact plastics per EU Directive 2002/72/EC |
| pH Range (Aqueous Slurry) | 6.5 – 8.0 |
Q1: What is the primary chemical class of Clariant Permanent Yellow GR 01?
A: Clariant Permanent Yellow GR 01 is an organic pigment based on the monoazo pyridone chemical structure, offering a balanced combination of hue strength, lightfastness, and thermal stability.
Q2: Is this pigment suitable for use in food-contact plastics?
A: Permanent Yellow GR 01 is not approved for direct food-contact applications under major global regulatory frameworks. It may be considered for non-food-contact layers in multilayer packaging or for industrial plastic applications where migration restrictions do not apply.
Q3: How does this pigment perform during high-temperature processing, such as injection molding?
A: This pigment demonstrates good thermal stability up to approximately 280 °C for short residence times, making it suitable for standard polyolefin and PS processing. Extended exposure above 260 °C may lead to gradual hue shift and reduced chroma.
Q4: What types of dispersants or additives are typically recommended to optimize dispersion in polymer systems?
A: For optimal dispersion in polyolefins and styrenics, non-ionic surfactants or polymeric dispersants with anchoring groups are commonly used. The choice depends on the base resin polarity and processing method — masterbatch producers often tailor the additive package to match specific extrusion conditions and final application requirements.
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