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High chroma yellow shade with excellent lightfastness and weather resistance.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good dispersibility in both polar and non-polar polymer systems.
Low migration and bleed resistance in PVC, polyolefins, and engineering plastics.
Compliant with major global regulatory frameworks including REACH and FDA 21 CFR §178.3297.
Coloration of rigid and flexible PVC profiles, films, and cables.
Masterbatch formulation for polypropylene (PP) and polyethylene (PE) packaging.
Engineering thermoplastics including ABS, PS, and PC for automotive interior components.
Industrial coatings requiring long-term outdoor durability and gloss retention.
Plastic housings and consumer electronics enclosures demanding consistent color batch-to-batch.
| Chemical Type | Azo pigment (Benzimidazolone derivative) |
| Product Form | Free-flowing powder |
| Appearance | Yellow to orange-yellow powder |
| Primary Applications | PVC, polyolefins, engineering plastics, industrial coatings |
| Key Features | High heat stability, low volatility, excellent dispersion |
| Benefits | Consistent color strength, minimal plate-out, reduced filtration issues |
| Recommended Carrier | LDPE or EVA for masterbatch applications |
| Storage Conditions | Store in dry, cool, well-ventilated area; avoid moisture and direct sunlight |
Q1: What is the primary chemical class of Clariant Permanent Yellow DHG N22?
A: Clariant Permanent Yellow DHG N22 is an organic pigment based on the monoazo pyridone chemical structure, offering balanced performance in color strength, lightfastness, and thermal stability.
Q2: Is this pigment suitable for use in food-contact plastics?
A: Permanent Yellow DHG N22 is not certified for direct food-contact applications under major global regulatory frameworks. It is intended for general-purpose industrial plastics, coatings, and inks where regulatory compliance for food contact is not required.
Q3: How does DHG N22 perform in high-temperature processing such as injection molding?
A: This pigment demonstrates good thermal stability and is generally suitable for processing temperatures up to approximately 280 °C, making it appropriate for standard polyolefin and engineering plastic applications including injection molding and extrusion.
Q4: What dispersion methods are recommended for optimal color development?
A: For best results, high-shear dispersion using twin-screw extruders or bead mills is recommended. Pre-dispersed masterbatches are widely used in practice to ensure uniform distribution and maximize coloristic performance across polymer systems.
Q5: Can DHG N22 be used in water-based systems?
A: While primarily developed for solvent-based and polymer applications, DHG N22 can be formulated into aqueous dispersions with appropriate surfactants and stabilization technology — however, performance may vary depending on pH, ionic strength, and binder compatibility.
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