Alumon Red A3BL
Alumon Red A3BL is azo dye, used to give pink to Red shades. Used in Cosmetics and decorative application
Physical Form | Dry Powder |
Appearance | Dark Red Powder |
Chemical Class | Azo dye |
Light Fatness | Good |
Heat Fastness | Good |
Applicable conditions are as: | |
Coating Thickness | 10-25 microns |
Concentration | 4- 5 g/l |
Temperatures | 55 – 60 C |
pH | 5.5 +- 0.5 |
Buffer | the bath must be buffered with Sodium acetate tri hydrate & 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.