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  3. RHODUNA® Diamond Bright Rhodium Electrolyte

RHODUNA® Diamond Bright Rhodium Electrolyte

    Brand: UMICORE
    Origin:

    Germany
    028 3838 0482

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    Brilliant-white and ultra-bright rhodium coatings

    RHODUNA® Diamond Bright deposits brilliant-white, ultra-bright coatings of previously unattained lightness and brilliance. It is additionally characterized by high covering speed and excellent throwing power. Furthermore the RHODUNA® Diamond Bright layer thicknesses of up to 5 μm can be deposited crack-free.

    Rhodium can be directly deposited on silver, gold, copper and copper alloys, nickel and nickel alloys. The layers are extremly low-porous and therefore very corrosion resistant.

    Electrolyte characteristics

    Electrolyte type

    Strongly acidic

    Metal content

    2 (1.6 - 3.0) g/l Rh

    pH value

    < 1

    Operating temperature

    40 (RT - 65) °C

    Current density range

    1 - 2 (0.5 - 10) A/dm²

    Plating speed

    0.08 μm/min at 1 A/dm² 0.10 μm/min at 2 A/dm²

    Anode material

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

    Coating characteristics

    Coating

    Rhodium

    Purity

    99.99 wt. % Rh

    Colour of deposit

    Brilliant-white

    Brightness

    Ultra-bright

    Hardness

    Approx. 800 - 900 HV

    Max. coating thickness

    Approx. 3 - 5 μm

    Density of the coating

    Approx. 12.4 g/cm³


    Advantages

    • Ultra-bright coatings with previously unattained lightness and brilliance
    • Good covering speed
    • Minor porosity
    • Excellent throwing power
    • Layer thicknesses of up to 5 μm can be deposited
    • For rack and barrel plating
    • High abrasion resistance


    Applications

    • Jewellery
    • Watches
    • Spectacle frames
    • Writing implements
    • Technical applications (reed contact)











    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.