Exceptional lightfastness and weather resistance for long-term outdoor durability.
High tinctorial strength with excellent batch-to-batch consistency.
Optimized solubility and stability in acidic anodizing electrolytes.
Low metal ion content, minimizing risk of bath contamination and anode smut formation.
Compliant with major industry environmental standards including ZDHC MRSL v3.0.
Aerospace aluminum components requiring high-performance black coloration.
Architectural façade systems and curtain wall profiles exposed to UV and moisture.
Automotive trim parts where corrosion resistance and aesthetic uniformity are critical.
Consumer electronics enclosures demanding deep, neutral black tones with minimal hue shift.
| Chemical Type | Metal-complex organic dye (sulfonated azo structure) |
| Product Form | Free-flowing granular powder |
| Appearance | Dark brown to black granules |
| pH (1% aqueous solution) | 4.5 – 5.5 |
| Solubility | Freely soluble in water; stable in 10–20 g/L acidic anodizing baths (pH 0.8–1.2) |
| Primary Applications | Black dyeing of sulfuric acid anodized aluminum |
| Key Features | High thermal stability up to 65°C; low foaming; compatible with standard sealing processes |
| Benefits | Reduces rework rates; enables consistent Class 1A color match per ISO 7591; supports lean production |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China