Product Categories / Metal Treatment / Aluminum Treatment

Duracolor S

Product description

Duracolor S is stabilizer solution for coloring
bath in anodizing process.


  •  Duracolor S is an essential additive to
    improve stannous stability in electro coloring
  •  Duracolor S increases the throwing power in
    the electro coloring bath.


  • Duracolor S is added in anodizing tank.

Physical & chemical Properties

  • Appearance      Liquid.
    Color            Clear grape red
    PH (1%).@ 25oC         2.4 ± 0.2
    Sp gr.@ 25oC          1.2 ± 0.05
    Miscibility in water                      Miscible.


Tanks should be made of isolated stainless steel
or mild steel lined with rubber, PP, PVC, or other
acid resistant material.

Process Sequences

  •  Cleaning and degreasing DI Water rinse
  • Etching with Caustic Soda
  •  Water rinse
  •  Desmutting
  •  DI Water rinse
  •  Anodizing
  •  DI Water rinse
  •  Coloring with
  • Duracolor range
  •  Sealing.
  •  DI Water rinse

Operating Parameters

Concentration (w/v %)         1.0 to 1.8
Temperature0C                18 to 24

                           20 to 22 (preferably)
Time           15 sec to 15 min*

Initial Preparation

  • Add 1.5 liter of Duracolor S to the operating bath
    upon addition of 1 kg of Duracolor 400 for new bath.
  •  Add 500 ml of Duracolor S to operation bath per
    each 1000 liter bath to increase throwing power.

Storage Information

  • Storage & Handling

    Keep container tightly closed. Keep container in a cool, well-
    ventilated area. Do not expose to direct sun. Stable

    nonflammable product. Avoid store near alkaline, alcoholic,
    reducing materials.
    Store in temperature not above 40oC.
    Shelf Life
    Two year from date of production if stored in normal condition.
    Packaging Type
    HDPE containers, outer sealed without ventilated cap.
    Standard Packing
    Duracolor S is available in 30 kg cans, and 1200 kg IBC.


  •  Current variation may cause color variations.
  •  To increase throwing power in elctrocoloring
    bath, Duracolor S can be used.