Aluminum Anodizing Brightener Additive
Aluminum anodizing brightener additive is incorporated into the sulfuric acid anodizing electrolyte to enhance the brightness and gloss of the anodic oxide layer, improving cosmetic appearance for architectural and consumer electronics applications. The additive controls the dissolution rate and pore formation at the oxide/electrolyte interface to produce a smoother, more reflective anodic layer. It is particularly effective on 1xxx and 6xxx series aluminum alloys for architectural extrusion and automotive trim anodizing.
Technical Specifications
| pH | <1.0 (sulfuric acid bath) |
| appearance | Clear colourless to pale liquid concentrate |
| gloss improvement | ≥20 gloss units vs. standard |
| active content (%) | ≥20 |
| use concentration (mL/L) | 5-20 |
Applications
- Architectural aluminum extrusion bright anodizing
- Consumer electronics aluminum housing anodizing
- Automotive trim and wheel decorative anodizing
- Sporting goods and bicycle component bright anodize
- Lighting fixture and reflector aluminum anodizing
Key Features
- Enhances anodic film gloss and reflectivity significantly
- Compatible with standard Type II sulfuric acid anodizing
- Improves uniformity of anodic film across alloy composition variations
- Suitable for both clear and colored anodize processes