ALUMINIUM DYES
- Aluminium Dyes
- Aluminium Black 4GL
ISO 9001: 2008 CertifiedAluminium Black 4GL is a black dye in powder form and gives fast striking neutral jet black shade on aluminium, 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 aluminium. This product assures uniform level dyeing on anodized aluminium and gives good fastness.
| Chemical Properties | |
|---|---|
| Physical Form | Dry Powder |
| Appearance | Dark Black Powder |
| Chemical Class | Metalized azo dye |
| Solubility | > 70 g/l @ 600 |
| 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 hydrate0.4 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. | |||
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.
