Baths | Property | HV | Solder-ability | Application |
technical | decorative |
Rhodium | Gloss
retaining High abrasion resistance | 800
- 900 | 3
- 4 | Sliding
contacts Test loads | Tarnish
protection Ag |
Palladium | Gloss
retaining | 230
- 250 | - | Spectacle
frames
Fashion jewellery | Nickel-free
barrier layersn |
Refined
gold | Gloss
retaining not gloss forming | 80
- 100 | 1 | Standard
bath for jewellery |
Hard
gold | High
wear resistance Layer thicknesses up to 20 um can be achieved without embrittlement
h | 160
- 180 | 2 | Abrasively
stressed parts |
Yellow
and medium gold | Coloured
goldd | 120 | - | . | Chalices,
jewellery |
Decorative
burnished silver | Gloss
forming, slight smoothing | 140 | - | Plug
connectors | Tableware
Musical instruments |
Technical
silver r | No
organic gloss additivesMatt whiteDeposition, does not shine. 100% refined
silverr | 90 | 1 | Cable
shoes, electrical contacts, bearing seats |
Nickel | Gloss
forming | 500 | - | Barrier
layers for gold platingfor parts
not subject to the Ni regulation n |
Miralloy
yellow | Smoothing,
gloss forming | 400 | - | Diffusion
barrier unsuitable as tarnish resistant end layer |
| Acid
copper | High
smoothing
High layer thicknessesn | . | . | Fashion
jewellery | Copper
plating undersize parts |
| Cyanidic
copper | Base
materials corroded by
acidic Cu baths | . | . | Fashion
jewelleryk | As
above - valves fits |
