RHODUNA® J1 Rhodium Electrolyte

    Thương hiệu: UMICORE
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    Brilliant white rhodium electrolyte for decorative applications

    RHODUNA® J1 deposits brilliant white, very light and bright surface finishes. This makes the electrolyte ideal for use in decorative applications, such as jewelry, watches or spectacle frames. Special features are its high deposition rate and excellent throwing power. Furthermore, RHODUNA® J1 deposits layers 0.1 - 0.3 μm thick without cracking.

    Rhodium is deposited directly onto silver, gold, copper and copper alloys, nickel and nickel alloys. The electrolyte is suitable for rack and barrel plating.

    Electrolyte characteristics

    Electrolyte type

    Strongly acidic

    Metal content

    2 (1.6 - 2.4) g/l Rh

    pH value

    < 1

    Operating temperature

    35 (20 - 40) °C

    Current density range

    1 A/dm²

    Plating speed

    0.025 μm/min at 1 A/dm²

    Anode material

    Pt-Ti (type PLATINODE® Pt/Ti) or MMO (Typ PLATINODE® 187)

    Coating characteristics

    Coating

    Rhodium

    Purity

    99.99 wt.% Rh

    Colour of deposit

    brillant white

    Brightness

    bright

    Hardness of deposit

    approx. 800 - 900 HV

    Max. coating thickness

    approx. 0.3 μm


    Advantages

    • Extremely light and bright coatings
    • Good deposition rate
    • Low porosity
    • Excellent throwing power
    • Layers 0.1 - 0.3 μm thick without cracking
    • Suitable for rack and barrel plating


    Applications

    • Jewelry
    • Watches
    • Spectacle frames
    • Writing utensils







    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.