Gold-saving, red, approx. 18 carat gold- copper coatings. Resistant to tarnishing and corrosion. High hardness, abrasion- resistant. The neutral electrolyte works without free cyanide. Also for technical applications.
Can be operated with either 5 or 10 g/l gold.
| Metal content in the deposit wt.% | Alloy compo- nents | Hardness of deposit HV 0.025 (Vickers) approx. values | Colour of deposit | Max. coating thickness μm |
Metal content g/l | pH- value | Current density A/dm2 |
Plating speed μm/min approx. values | Tempe- rature °C |
| 75 | Cu | 380-400 | Red | 10 | 5 (4.5-5.5) or 10 (9-11) |
5 g/l Au: 7.4 (7.2-7.6) 10 g/l Au: 7.2 (7.0-7.3) |
5 g/l Au: 0.4 (0.2-0.8) 10 g/l Au: 0.75 (0.3-1.0) |
5 g/l Au: 0.14 10 g/l Au: 0.22 |
5 g/l Au: 45 (40-50) 10 g/l Au: 57 (55-60) |