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  3. ARGUNA® 630 Hard Silver Electrolyte

ARGUNA® 630 Hard Silver Electrolyte

    Brand: UMICORE
    Origin:

    Đức

    028 3838 0482

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    For the Deposition of Silver Layers with High Hardness

    ARGUNA® 630 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 140 HV, even after thermal aging.

    In particular, ARGUNA® 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 (25 - 35) g/l Ag

    KCN content

    130 (110 - 170) 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

    5 - 50 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

    Fine silver

    Coating characteristics

    Coating

    min. 98 wt.% Ag

    Colour of deposit

    White

    Brightness

    Bright

    Hardness

    approx. 120 - 140 HV (after thermal aging)

    Density of the coating

    10.5 g/cm³


    Advantages

    • Perfect silver layers for highly stressed electro–mechanical components
    • High, stable coating hardness between 120 to 140 HV, even after thermal aging
    • Low wear, thus significantly more mating cycles
    • Suitable for reel-to-reel, rack and barrel plating
    • Good electrical properties, even for high voltage


    Applications

    • Electromechanical connectors
    • High voltage contacts
    • Plug-in chargers for electric vehicles







    Umicore is a global materials technology and recycling group, with about 10,000 employees and a turnover of € 10.4 billion in 2015. Umicore generates the majority of its revenues and dedicates most of its R&D efforts to clean technologies, such as emission control catalysts, materials for rechargeable batteries and recycling. Umicore’s overriding goal of sustainable value creation is based on an ambition to develop, produce and recycle materials in a way that fulfils its mission: materials for a better life.

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    Umicore is a global materials technology and recycling group, with about 10,000 employees and a turnover of € 10.4 billion in 2015. Umicore generates the majority of its revenues and dedicates most of its R&D efforts to clean technologies, such as emission control catalysts, materials for rechargeable batteries and recycling. Umicore’s overriding goal of sustainable value creation is based on an ambition to develop, produce and recycle materials in a way that fulfils its mission: materials for a better life.