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  3. AURUNA® 500 LC Rose Gold Electrolyte

AURUNA® 500 LC Rose Gold Electrolyte

    Brand: UMICORE
    Origin:

    đức
    028 3838 0482

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    Rose gold layers for fine jewelry

    AURUNA® 500 LC is a neutral electrolyte for depositing red 18 carat gold-copper coatings. The electrolyte works with low gold content, has a stable pH-value and works without free cyanide.

    The alloy is mainly suitable for decorative applications such as jewelry and accessories. The layers are very hard and abrasion-resistant. As low-carat gold-saving coatings, they additionally exhibit a very good resistance to tarnishing and corrosion.

    Electrolyte characteristics

    Electrolyte type

    neutral

    Metal content

    2 (1.5 - 3) g/l Au, 1.5 ( 1.3 - 2) g/l Cu

    pH value

    7.0 (6.8 - 7.2)

    Operating temperature

    57 (55 - 60) °C

    Current density range

    0.4 (0.3 - 1.0) A/dm²

    Plating speed

    approx. 0.12 μm/min at 0.4 A/dm²

    Coating characteristics

    Coating

    Gold copper

    Alloy composition

    approx. 75 wt.% Au, approx. 25 wt.% Cu

    Colour of deposit

    Rose

    Hardness of deposit

    approx. 380 - 400 HV

    Max. coating thickness

    1.5 μm

    Density of the coating

    approx. 15 g/cm³


    Advantages

    • Rose gold-copper layers
    • Gold-saving coatings (approx. 18 kt)
    • Tarnish and corrosion resistant
    • Low gold content
    • No free cyanide


    Applications

    • Accessories
    • Jewelry
    • Watches
    • Bathroom fittings
    • Lighting
    • 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.