ARGUNA®-Alloy 1 Silver-Palladium Electrolyte

ARGUNA®-Alloy 1 for Demanding Applications

By maintaining a low coefficient of friction combined with high hardness, ARGUNA®-Alloy 1 is ideally suited for applications involving electrical contact surfaces and connectors.

Compared with established hard gold layers, the silver-palladium alloy offers significant potential for precious metal cost savings.

The silver-palladium alloy electrolyte can be seamlessly integrated into conventional electroplating processes. It is cyanide-free and ensures maximum performance along with long service life.

Electrolyte Characteristics – ARGUNA®-Alloy 1

Electrolyte type: Strong acid
Metal content:

• Ag: 20 g/L (10–22 g/L)

• Pd: 12 g/L (10–14 g/L)

pH value: < 1
Operating temperature: 65 °C (50–65 °C)
Current density range: Dependent on equipment type and electrolyte movement

Deposition rate:

• 2 μm/min at 3 A/dm²

• 4 μm/min at 6 A/dm²

• 6.5 μm/min at 10 A/dm²

Coating Properties

Coating: Silver-palladium
Coating color: Grey
Brightness: Semi-bright
Hardness: 220–260 HV
Coating density: 10.4 g/cm³

Advantages

• Hard, wear-resistant coating

• Excellent electrical properties

• Semi-bright appearance

• Suitable for continuous plating lines using flow or spray technology

Applications

• Electrical contact surfaces

• Connectors