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High thermal stability suitable for processing temperatures up to 800 °C.
Excellent lightfastness and weather resistance in outdoor applications.
Non-toxic, heavy-metal-free composition compliant with global regulatory standards including EN 71-3 and RoHS.
Superior chemical resistance against alkalis, acids, and solvents.
Consistent batch-to-batch color reproducibility and high chroma yellow hue.
Ceramic glazes and frits for tableware and architectural tiles.
Coloration of refractory materials and kiln furniture.
High-temperature coatings for industrial exhaust systems and furnace linings.
Pigmentation of glass enamels and vitreous coatings.
Specialty inorganic pigments for safety-critical signage and traffic markings.
| Chemical Type | Complex mixed metal oxide (Zinc Iron Chromate-based) |
| Product Form | Fine, free-flowing powder |
| Appearance | Brilliant yellow to yellow-orange powder |
| Primary Applications | Ceramics, refractories, glass enamels, high-temp coatings |
| Key Features | Heat stable, non-volatile, UV-resistant, inert in alkaline environments |
| Benefits | No color shift during firing; no efflorescence or blooming; low abrasion sensitivity |
| Regulatory Compliance | REACH registered, EU No. 1907/2006 compliant, non-hazardous per CLP |
| Storage Conditions | Store in dry, cool, well-ventilated area; protect from moisture and direct sunlight |
Q1: What is the primary chemical composition of HEUCODUR Yellow G9202?
A: HEUCODUR Yellow G9202 is a high-performance inorganic yellow pigment based on a complex mixed-metal oxide system, engineered for thermal and chemical stability. Its exact composition is proprietary to Heubach, but it contains no heavy metals such as lead, cadmium, or mercury, and complies with current global regulatory expectations for restricted substances.
Q2: Is this pigment suitable for use in food-contact plastics?
A: Yes, HEUCODUR Yellow G9202 is designed for applications requiring compliance with food-contact regulations in major markets. It has been evaluated for extractable metal content and demonstrates excellent resistance to migration under typical processing and end-use conditions. Final regulatory acceptance depends on the full formulation and intended application, and users should verify suitability with their local regulatory authority.
Q3: How does HEUCODUR Yellow G9202 perform under high-temperature processing?
A: This pigment exhibits exceptional thermal stability, maintaining its color integrity during standard polymer processing methods including injection molding, extrusion, and blow molding. It remains stable at temperatures commonly encountered in polyolefins, engineering thermoplastics, and thermoset systems without significant discoloration or degradation.
Q4: What dispersion characteristics can be expected in polymer matrices?
A: HEUCODUR Yellow G9202 is supplied in a surface-treated form optimized for efficient dispersion in both polar and non-polar polymer systems. It achieves uniform color distribution with minimal agglomeration when processed using standard compounding equipment, reducing the need for extended melt residence time or high-shear mixing.
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