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Anodising Dye Black CRO (500g)

Make                        : OswalUdhyog
Pack Size                     : 500g
Minimum Order Quantity : 1 Unit (500)g


Alumon Black CROhas 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 fastness                                 3-5 poor
Weather fastness    Moderate
Heat fastness Very Good 


Anodic coating thickness                8 - 15 microns


pH range                                          4.5 - 7.0
Buffering   Not required
Dye bath temperature                      50° - 60° C
Immersion time 8 - 10 minutes


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.

Price : Rs 1200/-
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