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High-purity zinc flakes with controlled particle size distribution for optimal barrier performance.
Alkaline-treated surface enhancing compatibility with water-based and solvent-based coating systems.
Excellent corrosion protection via cathodic shielding in thin-film, environmentally compliant coatings.
Low heavy metal content, compliant with RoHS and ELV directives.
Consistent flake morphology ensuring uniform orientation and high reflectivity in dry-film layers.
Automotive OEM and refinish primers requiring long-term anti-corrosion performance.
Industrial maintenance coatings for steel structures, pipelines, and offshore equipment.
Electrical enclosures and grounding components where conductive yet passivated zinc layers are critical.
Architectural metal cladding systems demanding aesthetic consistency and weather resistance.
Fasteners, bolts, and stamped parts coated via rack or barrel plating alternatives.
| Chemical Type | Zinc (Zn), alkaline surface-treated |
| Product Form | Dry, free-flowing metallic pigment powder |
| Appearance | Grayish-silver, lustrous flake particles |
| Primary Applications | Corrosion-inhibiting primers and topcoats |
| Key Features | Cathodic protection, low VOC compatibility, non-chromated |
| Benefits | Reduced coating thickness without compromising protection; suitable for eco-friendly formulations |
| Storage Conditions | Keep in original sealed container at 5–30 °C, away from moisture and strong oxidizers |
| Regulatory Compliance | REACH registered; conforms to ISO 10545-13 for heavy metals |
Q1: What is the primary function of ECKART Zinc Flake AT Pigment in protective coatings?
A: ECKART Zinc Flake AT Pigment provides cathodic protection and barrier functionality in corrosion-inhibiting coatings, particularly for steel substrates. Its lamellar zinc flake structure enhances coating integrity and improves resistance to moisture and electrolyte penetration.
Q2: Is this pigment suitable for water-based systems?
A: Yes, ECKART Zinc Flake AT Pigment is specially surface-treated to ensure good compatibility and dispersion stability in both solvent-borne and water-based coating formulations, including acrylic and epoxy dispersions.
Q3: How does it differ from conventional zinc dust pigments?
A: Unlike spherical or irregular zinc dust, ECKART Zinc Flake AT features thin, plate-like particles with high aspect ratio. This morphology promotes overlapping layer formation in dried films, significantly improving barrier properties and reducing zinc consumption per unit of protection.
Q4: What is the typical dosage range in finished coating formulations?
A: Dosage depends on formulation requirements and performance targets, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight in the total formulation—to achieve effective corrosion inhibition without compromising film properties.
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E-mail: wangxingqiang@ericwchem.com
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