Noble metal coatings
Noble metal coatings for the optic industry
In addition to its electroless nickel coatings, Atela SA can provide you noble metal coatings for the optic industry, the connector industry, the watch industry and the jewelry industry. The table below shows you an overview of the coatings we are providing.
Coating |
Color |
Properties |
Applications |
Tank size |
| Gold 2N | Pale yellow | 18ct Gold Corrosion resistance Decorative Electrical conductivity |
Jewelry Watches Writing instruments Connectors |
Ø 350mm Depth 300mm |
| Gold 3N (165HV) |
Yellow | 23.95ct Gold Thickness up to 10µm Decorative Electrical conductivity Corrosion resistance |
Jewelry Watches Writing instruments Connectors |
Ø 350mm Depth 300mm |
| Gold 3N hart (200HV) |
Yellow | 24ct Gold For Electroforming Thickness up to >500µm High hardness |
Watches Micro-mechanics Jeweler |
Ø 350mm Depth 300mm |
| Gold 5N | Pink | 18ct Gold Thickness up to 10µm Decorative |
Jewelry Watches Writing instruments |
Ø 350mm Depth 300mm |
| Gold 5N « scratch resistant » |
Pink | Hardened with nano-diamond particles | Jewelry Watches Writing instruments |
Ø 350mm Depth 300mm |
| Rhodium | White high gloss | Thickness up to 5µm Decorative Corrosion resistance |
Jewelry Watches Writing instruments Optics |
Ø 350mm Depth 300mm |
| Palladium/Nickel 80%/20% |
White | Thickness up to >10µm Corrosion resistance Wear resistant High hardness |
Jewelry Watches Writing instruments |
Ø 350mm Depth 300mm |
Fig. Example of noble metal coatings for the watch industry showing the different colors.
