Auruna Color
Advantages
Series of Colour Gold Baths for Decorative Applications
- Different shades of colour
- Hard coatings deposited from AURUNA-COLOR®
- High fineness
- Tarnish-resistant like molten alloys
- Consistent colours
- Good adhesion of the layers
Applications
- Carat jewellery
- Costume jewellery
- Decorative accessories
- Gift articles
| Bath characteristics & operating conditions | |
| Au content: | 1 g/l |
| KCN content: | 2 g/l (1 - 2.5 g/l) |
| Operating temperature: | 65 °C (± 3 °C) |
| pH-value: | Approx. 11.0 |
| Agitation: | None |
| Filtration: | Only outside the operating phase |
| Current density: | 5 A/dm² |
| Voltage: | > 7 V |
| Plating speed: | 0.2 µm/min |
| Coating characteristics (*1) | |
| Alloy: | Different |
| Caratage: | > 19.5 ct |
| Colour: | Different |
| Max. layer thickness: | 0.2 µm |