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Highly spherical, vacuum-metallized copper particles for exceptional metallic luster and uniform orientation.
Optimized particle size distribution (D50 ≈ 12–15 µm) ensuring excellent flowability and dispersion stability.
Surface-stabilized with proprietary organic coating to prevent oxidation and enhance compatibility in solvent-based systems.
Low dusting formulation improves workplace safety and handling efficiency during industrial processing.
Consistent batch-to-batch color performance meeting stringent automotive and decorative coating standards.
Automotive OEM and refinish coatings requiring high-flake integrity and long-term corrosion resistance.
Plastic coloring for consumer electronics housings and appliance panels.
Industrial coil coatings for architectural metal façades and roofing materials.
Decorative printing inks for premium packaging and luxury goods labeling.
Specialty powder coatings for outdoor furniture and metal fixtures.
| Chemical Type | Metallized copper pigment (Cu ≥ 99.5%) |
| Product Form | Free-flowing dry powder |
| Appearance | Reddish-gold metallic powder with bright specular reflectance |
| Primary Applications | Solvent-based coatings, plastic masterbatches, and powder coatings |
| Key Features | Spherical morphology, oxidation-inhibited surface, low volatile content |
| Benefits | Superior hiding power, enhanced metallic effect, improved storage stability |
| Storage Conditions | Store in original sealed container at 15–25°C, protect from moisture and direct sunlight |
| Shelf Life | 24 months under recommended storage conditions |
Q1: What is the primary particle morphology and surface treatment of ECKART Copper 4000?
A: ECKART Copper 4000 features thin, highly reflective lamellar copper particles with a proprietary oxidation-inhibiting surface coating designed to enhance stability in solvent-based systems and improve handling safety.
Q2: Is ECKART Copper 4000 suitable for water-based coatings?
A: It is primarily formulated and optimized for use in non-aqueous, solvent-borne systems. While limited compatibility may be achieved in some water-based formulations with appropriate dispersants and pH control, performance and long-term stability are not guaranteed without thorough testing.
Q3: How should ECKART Copper 4000 be incorporated into a paint or ink formulation?
A: It is recommended to add the pigment during the let-down stage using low-shear mixing to preserve flake integrity. Pre-dispersion in a compatible solvent or resin solution prior to incorporation helps ensure uniform distribution and optimal metallic effect.
Q4: What are key storage and handling precautions?
A: Store in tightly sealed containers under inert atmosphere or nitrogen blanket when possible, in a cool, dry, well-ventilated area away from ignition sources. Avoid exposure to moisture, strong oxidizers, and acidic vapors to prevent degradation or discoloration.
Q5: Can ECKART Copper 4000 be used in heat-sensitive applications?
A: The pigment exhibits good thermal stability up to typical drying and curing temperatures encountered in industrial coating processes; however, prolonged exposure above 150 °C may lead to oxidation and reduced luster, especially in air-containing environments.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
