ALUMINIUM DYES
- Aluminium Dyes
- Aluminium Copper Brown ALN
ISO 9001: 2008 CertifiedAlfast Brown SW 5802 is a copper dye in powder form and gives fast striking copper to brownish 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 shade. This product assures uniform level dyeing on anodized aluminium and gives good fastness.
| Chemical Properties | |
|---|---|
| Physical Form | Dry Powder |
| Appearance | Brown Powder |
| Chemical Class | Metalized zo dye |
| Solubility | > 70 g/l @ 60 C0 |
| Light Fatness | excellent |
| Heat Fastness | excellent |
| Anodizing Recommendation | ||||
|---|---|---|---|---|
| Applicable conditions are as | ||||
| Coating Thickness | 15-20 microns | |||
| Concentration | 5-8 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 | |||
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