.png "Alumon Black CRO")
Alumon Black CRO
Alumon Black CRO has a unique ability to impart a full black color to thin films, it is well suited for continuous coil applications.
| Physical appearance | Black to dark grey powder |
| Chemical description | metalized metal-free azo dyes |
| Light Fatness | 3-5 poor |
| Weather fastness | Moderate |
| Heat Fastness | Very Good |
| Anodic coating thickness | 8 - 15 microns. |
| Concentration | 10 g/l |
| pH Range | 4.5 - 7.0 |
| Buffering | Not required |
| Dye bath temperature | 50° - 60° C. |
| Immersion time | 8 - 10 minutes |
SEALING:
The dyed oxide film must be properly sealed properly using a hot sealing salt ANO SEAL CA-350 for best result.
Other Recommendation:
- Ammonium compounds shall not be used for controlling of the pH or to buffer dye bath solution.
- The presence of ammonium compounds in the sealing solution may cause leaching and loss of color.
- Use sodium acetate for dye buffer.
- Adequate care to be taken for proper rinsing to control drag-in for optimum tank life.
- Dye may be dissolved separately outside the dye bath. Use demineralized water for better dye bath stability.
- The life of dye bath is reduced by water containing ammonium.
.png "Alumon Black 2")
.png "Alumon Blue G")
