Alumon Blue G
Alumon Blue G is a powder dye recommended for panels, signs and labels. It can be also used for Cosmetic packaging material application.
Chemical Properties:
Physical Form : Dry Powder
Appearance : Dark Blue Powder
Light Fatness : Good
Heat Fastness : Good
Anodizing recommendation :
Applicable condition are as:
Coating Thickness : 10-25 microns
Concentration : 5 – 7 g/l
Temperatures : 55 – 60 C
pH : 5.5 +- 0.5
Buffer : It is necessary to buffer the dye bath
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:
1) Ammonium compounds shall not be used for controlling of the pH or to buffer dye
bath solution.
2) The presence of ammonium compounds in the sealing solution may cause
leaching and loss of color.
3) Use sodium acetate for dye buffer.
4) Adequate care to be taken for proper rinsing to control drag-in for optimum tank life.
5) Dye may be dissolved separately outside the dye bath. Use demineralized water for
better dye bath stability.
6) The life of dye bath is reduced by water containing ammonium.
