Our silver-graphite dispersion electrolyte ARGUNA® C-100 is specially developed for connector contacts used in high-voltage applications (e.g....
New standard for plug contacts in high-voltage applications
Our silver-graphite dispersion electrolyte ARGUNA® C-100 is specially developed for connector contacts used in high-voltage applications (e.g. high-power charging / HPC). A stable layer system with maximum charging performance without restrictions over the entire lifetime of the charging connectors is the result - and thus the new standard for the industry.
Graphite particles perfectly embedded in the silver layer achieve extraordinary abrasion resistance and thus the high reliability and durability of the plug contact required by the industry. This is made possible by a optimized graphite component which, embedded in the silver matrix, serves as a solid lubricant. In this way, abrasion on the entire contact zone during the mating process can be reduced to a negligible level.
ARGUNA® C-100 thus offers a contact layer on your connectors that is clearly superior to conventional coatings: more than 50,000 mating cycles* without adverse wear and therefore the best possible charging performance at all times without restriction - the new standard in this field.
Electrolytes Characteristics
Electrolyte type | Alkaline-cyanide |
Metal content | 30 (25 - 35) g/l Ag |
pH value | > 11 |
Operating temperature | 18 - 25 °C |
Current density range | 1.5 (1.0 - 2.5) ASD |
Plating speed | approx. 1 μm / 1.5 min at 1 ASD |
Anode material | Silver |
Coating Characteristics
Coating | Silver-graphite dispersion surface |
Purity | approx. 98 wt.% Ag |
Colour of deposit | light grey to anthracite |
Brightness | matt |
Hardness of deposit | approx. 70-80 HV |
Max. coating thickness | 8 - 30 μm |
Density of the coating | approx. 9,8 g/cm³ |
Advantages
- Excellent electrical conductivity and even lower resistance than pure-silver
- Outstanding tribological properties
- Significantly reduced friction coefficients compared to pure and hard silver coatings
- Consistent coating performance at elevated temperatures (>150°C)
- Stable layering properties under humidity and dust and other exposed environmental conditions
- Maintenance-free layer system over the entire service life the otherwise necessary lubrication is not required
- Cross-compatibility with existing infrastructure matching the existing connector types in the field
- Deposition of very thick layers possible
Applications
- EV-Charging Connector
- High voltage applications