• iso ISO 9001: 2008 Certified

Aluminium Black Z Dyes


Technical Data Sheet

Aluminium Black Z is a black dye in powder form and gives fast striking neutral jet black shade on aluminum, which is distinguished by outstanding fastness to light, weather and heat. This dye can be used for thinner coating to get the desired jet black shade. Due to high concentration of dye the consumption is much lower cost of black anodizing of aluminum. This product assures uniform level dyeing on anodized aluminum and gives good fastness.

Chemical Properties
Physical Form Dry Powder
Appearance Dark Black Powder
Chemical Class Metalized azo dye
Solubility > 70 g/l @ 60 C0
Light Fatness excellent
Heat Fastness excellent
Anodizing Recommendation
Coating Thickness 10-25 microns
Concentration 8-10 grams/l
Temperatures 55 – 60 C
pH 5.5 +- 0.5
Buffer The bath must be buffered with
8 g/l sodium acetate tri hydrate
0.4 ml/l acetic acid for pH 5.5
Time 5-10 Minutes
Water Quality Preferably de-ionized. Dyeing is also possible in tap water, but this can reduce the service life of dye bath
Sealing Methods Hot sealing is preferred
Disposal of spent dye bath Spent dye bath must be disposed as per local law. Since this is metal complex dye containing chromium
Note :

The information above is believed to be accurate and represent the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information and we assume no liability resulting from its use. User should make their investigations to determine the suitability of the information for their particular purposes. In no event shall company be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect incidental, consequential or exemplary damages.

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