Alumon Orange G
Alumon orange G is azo dye (metal complex) having all round fastness. This dye basically used for Jewellery, Cosmetics and Hardware. This is unsuitable for exterior building elements.
| Physical Form | Dry Powder |
| appearance | Dark Orange Powder |
| Chemical description | metalized azo dyes |
| Light Fatness | Good |
| Heat Fastness | Good |
| Applicable condition are as: | |
| Anodic coating thickness | 10-25 microns |
| Concentration | 3 – 4 g/l |
| temperature | 55 – 60 C |
| pH Range | 5.5 +- 0.5 |
| Buffering |
the bath must be buffered with 8 g/l sodium acetate tri hydrate 0.4 ml/l acetic acid for pH 5.5 |
| time | 10-15 Minute |
| Water Quality | preferably de –ionized; dyeing is also possible in tap water, but this can reduce the service life of dye bath |
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")
