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High-purity, nitrogen-stabilized gold pigment offering exceptional color consistency and batch-to-batch reproducibility.
Optimized particle size distribution for superior metallic effect, gloss, and orientation in coating systems.
Excellent chemical stability in acidic and neutral aqueous dispersions, supporting broad formulation compatibility.
Low heavy metal content, compliant with major global regulatory frameworks including REACH and RoHS.
Designed for high-shear processing without significant flake damage or color shift.
Automotive OEM and refinish coatings requiring premium metallic gold effect.
Architectural coatings for decorative façades and premium interior finishes.
Plastic coloring for consumer electronics housings and appliance panels.
Industrial coil coatings demanding durability and consistent appearance under UV exposure.
Specialty printing inks for luxury packaging and security applications.
| Chemical Type | Colloidal gold pigment (nitrogen-stabilized) |
| Product Form | Aqueous dispersion (non-ionic stabilizer system) |
| Appearance | Deep red-brown to golden-brown dispersion; clear supernatant |
| Primary Applications | Metallic effect coatings, inks, and plastics |
| Key Features | High purity, narrow particle size distribution, low volatility |
| Benefits | Enhanced metallic sheen, improved dispersion stability, reduced settling |
| Storage Conditions | 5–30 °C; protect from freezing and direct sunlight |
| Shelf Life | 12 months from date of manufacture when stored properly |
Q1: What is the primary application of Sanodal Gold 4N Pigment?
A: Sanodal Gold 4N Pigment is a high-performance organic pigment designed primarily for use in solvent-based and water-based industrial coatings, including coil coatings, automotive refinishes, and general metal finishing systems where excellent chroma, lightfastness, and thermal stability are required.
Q2: Is Sanodal Gold 4N suitable for food-contact coating applications?
A: Sanodal Gold 4N is not specifically developed or certified for direct food-contact applications. Its suitability for such uses must be evaluated case-by-case by the formulator in accordance with applicable regional regulatory requirements and final end-use conditions.
Q3: How does Sanodal Gold 4N perform under high-temperature curing conditions?
A: This pigment exhibits good thermal stability and retains its coloristic properties during typical industrial baking cycles up to approximately 200 °C, making it compatible with standard coil coating and metal pretreatment processes.
Q4: What dispersion recommendations apply to Sanodal Gold 4N?
A: Optimal performance is achieved using high-shear dispersion equipment in suitable resin vehicles. Pre-wetting with compatible solvents or surfactants is recommended, followed by controlled milling to ensure full deagglomeration and consistent color development.
Q5: Can Sanodal Gold 4N be used in combination with other organic pigments or effect pigments?
A: Yes — Sanodal Gold 4N is generally compatible with common organic pigments and selected metallic or pearlescent effect pigments when properly stabilized in the formulation. Compatibility testing is advised to confirm color stability, rheology, and film integrity in multi-pigment systems.
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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
