PLATUNA®-Alloy 1 is used for depositing smooth, ultra-bright and extraordinarily abrasion-resistant platinum-ruthenium alloy coatings. The acidic...
Extraordinarily abrasion-resistant coatings – saving platinum
PLATUNA®-Alloy 1 is used for depositing smooth, ultra-bright and extraordinarily abrasion-resistant platinum-ruthenium alloy coatings. The acidic electrolyte is used for decorative applications and guarantees light, white layers - crack-free up to 1 μm.
Electrolytes Characteristics
| Electrolyte type | Strongly acidic |
| Metal content | 1.0 (0.8 - 1.2) g/l Pt 1.0 (0.8 - 1.2) g/l Ru |
| pH value | < 1 |
| Operating temperature | 35 (30 - 40) °C |
| Current density range | 2.0 (0.5 - 5.0) A/dm² |
| Plating speed | Approx. 0.08 μm/ min at 2.0 A/dm² |
| Anode material | MMO (type PLATINODE® 187 SO) |
Coating Characteristics
| Coating | Platinum-ruthenium |
| Alloy composition | 75 weight % Pt 25 weight % Ru |
| Colour of deposit | White |
| Brightness | Bright |
| Hardness | Not measurable, Approx. 500 HV |
| Max. coating thickness | 1.0 μm |
| Density of the coating | |
Advantages
- Acidic platinum alloy electrolyte - saves expensive platinum
- Light, white and ultra-bright coatings
- For decorative applications
- Extraordinarily abrasion-resistant
- Wide operating range
- Up to 1 μm layer thickness (crack-free)
- The coatings are RoHS compliant
- Suitable for racks
Applications
- Jewellery
- Writing implements
- Watches
- Spectacle frames
- Accessories
