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Exceptional brightness and metallic luster with high reflectivity and chromatic purity.
Excellent dispersion stability in both solvent-based and water-based systems.
Superior chemical resistance, including tolerance to mild acids, alkalis, and common organic solvents.
Consistent particle size distribution ensuring uniform orientation and optimal flop effect.
Non-toxic formulation compliant with major global regulatory frameworks for industrial coatings.
Automotive OEM and refinish coatings requiring premium gold metallic effects.
Architectural and industrial coil coatings for decorative metal façades and roofing.
Plastic coloring for consumer electronics housings and premium packaging components.
Printing inks for luxury labels, security printing, and high-end cosmetic packaging.
Specialty powder coatings for furniture, lighting fixtures, and architectural hardware.
| Chemical Type | Copper-Zinc Alloy (Brass) |
| Product Form | Dry flake pigment, free-flowing powder |
| Appearance | Rich gold metallic luster, fine shimmer effect |
| Primary Applications | Coatings, inks, plastics, powder coatings |
| Key Features | High gloss, excellent orientation, low dusting |
| Benefits | Enhanced visual impact, batch-to-batch consistency, easy integration |
| Storage Conditions | Store in cool, dry place; avoid moisture and direct sunlight |
| Shelf Life | 24 months from date of manufacture under recommended storage |
Q1: What is the primary composition and particle morphology of ECKART Rich Gold 4000?
A: ECKART Rich Gold 4000 is a high-purity, spherical aluminum-based metallic pigment with a rich gold-toned appearance achieved through precise surface treatment and controlled flake geometry. Its particles are engineered for optimal orientation and light reflection in coating and ink systems.
Q2: Is this pigment suitable for water-based systems?
A: Yes — ECKART Rich Gold 4000 is specially stabilized for compatibility with water-based coatings, inks, and plastics colorants. It exhibits good dispersion stability and reduced hydrogen evolution risk under neutral to mildly alkaline conditions, though formulation pH and additives should be evaluated during integration.
Q3: How does it compare to conventional gold bronze pigments in terms of weather resistance?
A: Unlike traditional copper-zinc bronze pigments, ECKART Rich Gold 4000 offers significantly improved resistance to tarnishing and oxidation due to its aluminum core and protective organic-inorganic hybrid surface coating, making it well-suited for exterior applications where long-term chromatic stability is required.
Q4: What are key handling precautions during dispersion?
A: To preserve particle integrity and optical performance, avoid high-shear mixing beyond recommended limits and minimize prolonged mechanical stress. Use non-ferrous equipment where possible, and ensure thorough wetting before applying shear — dispersion is typically most effective in low-viscosity media with appropriate surfactant support.
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E-mail: wangxingqiang@ericwchem.com
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