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High chromatic strength with excellent color purity in yellow shade.
Good thermal stability suitable for medium-temperature processing up to 180 °C.
Outstanding lightfastness and weather resistance in demanding outdoor applications.
Low volatility and minimal extractables, supporting compliance with stringent regulatory requirements.
Excellent dispersibility in both polar and non-polar polymer systems.
Automotive interior plastics (dashboards, trim components).
Household appliance housings (refrigerators, washing machines).
Engineering thermoplastics including ABS, PS, and PC blends.
General-purpose injection-molded consumer goods.
Extruded profiles and technical parts requiring consistent color performance.
| Chemical Type | Azo pigment (disazo) |
| Product Form | Free-flowing powder |
| Appearance | Yellow to greenish-yellow fine powder |
| Primary Applications | Plastics (thermoplastics), masterbatches |
| Key Features | High tinctorial strength, good heat stability, low migration |
| Benefits | Consistent batch-to-batch color match, ease of dispersion, regulatory readiness |
| Recommended Carrier Resin | Polystyrene or polyethylene-based masterbatches |
| Storage Conditions | Store in cool, dry place; avoid direct sunlight and moisture |
Q1: What is the primary chemical class of Graphtol Yellow GG?
A: Graphtol Yellow GG is an organic pigment based on the monoazo pyridone chemical structure, offering balanced hue, good lightfastness, and thermal stability suitable for demanding industrial applications.
Q2: Is Graphtol Yellow GG suitable for food-contact plastics?
A: Graphtol Yellow GG 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 Graphtol Yellow GG perform in high-temperature processing?
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 thermoplastic compounding processes.
Q4: What dispersion methods are recommended for optimal color development?
A: For best results, use high-shear dispersion techniques—such as twin-screw extrusion or high-speed dissolvers—along with compatible dispersing agents tailored to the base polymer or medium. Pre-dispersed masterbatches are also widely used to ensure consistency and ease of handling.
Q5: Can Graphtol Yellow GG be used in water-based systems?
A: Yes, Graphtol Yellow GG can be formulated into water-based inks and coatings when properly surface-treated and stabilized. Performance depends on the choice of surfactants, pH control, and shear history during preparation.
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E-mail: wangxingqiang@ericwchem.com
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