ARGUNA® 630 GAM Hard Silver Electrolyte
For the deposition of silver layers with high hardness
ARGUNA® 630 GAM is an alkaline cyanide hard silver electrolyte for (electro) technical applications. The additives increase the wear resistance compared to conventional silver layers significantly: The layers obtain a stable hardness of 120 to 130 HV, even after thermal aging.
In particular, ARGUNA® GAM 630 is, suitable for electromechanical components that are exposed to increased mechanical stress. The higher hardness and improved wear resistance allow significantly more mating cycles. Additionally, the reliability and durability of the contact systems increase.
According to the operating parameters, the electrolyte is suitable for reel-to-reel plating, rack and barrel systems.
Electrolyte characteristics
Electrolyte type
Alkaline-cyanide
Metal content
30 - 60 g/l Ag
KCN content
130 (110 - 140) g/l
pH value
12.5
Operating temperature
25 - 40 °C
Current density range: Rack operation
0.5 - 5 A/dm²
Current density range: Barrel operation
0.5 - 2 A/dm²
Current density range: Reel-to-reel plating
10 - 40 A/dm²
Plating speed: Rack operation at 1 A/dm2
1 μm in 1.5 min
Plating speed: Rack operation at 5 A/dm2
1 μm in 0.3 min
Plating speed: Reel-to-reel plating at 20 A/dm2
13 μm in 1 min
Anode material
Pt-Ti (type PLATINODE® Pt/Ti)
Coating characteristics
Coating
Fine silver
Alloy composition
99.9 wt.% Ag
Colour of deposit
White
Brightness
Bright
Hardness
170 - 190 HV as plated
Max. coating thickness
> 100 μm
Density of the coating
10.5 g/cm³
Advantages
- Perfect silver layers for highly stressed electromechanical components
- High, stable coating hardness between 120 to 130 HV, even after thermal aging
- Low wear, thus significantly more mating cycles
- Suitable for reel-to-reel plating, rack and barrel plating
- Good electrical properties, even for high voltage
Applications
- Electromechanical connectors
- High voltage contacts
- Plug-in chargers for electric vehicles
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For inquiries and additional information
please contact
Umicore AG & Co. KG
Rodenbacher Chaussee 4
63457 Hanau-Wolfgang
Germany
Tel.: +49 (6181) 59 6005
Fax: +49 (6181) 59 2970
Email: chemistry@umicore.com
Website: www.chemistry.umicore.com
The information and statements contained herein are provided free of charge. They are believed to be accurate at the time of publication, but Umicore makes no warranty with respect thereto, including but not limited to any results to be obtained or the infringement of any proprietary rights. Use or application of such information or statements is at the user´s sole discretion, without any liability on the part of Umicore. Nothing herein shall be construed as a license or recommendation for use, which infringes upon any proprietary rights. All sales are subject to Umicore´s General Conditions of Sale and Delivery.
