RHODUNA® PT ONE Rhodium-Platinum-Electrolyte

This combination does not exist.

PT ONE - Unique

 

RHODUNA® PT ONE is unique in our product portfolio in many ways. Like its big brother RHODUNA® PT, the ONE variant is an economical alternative for pure rhodium. However, with the difference that RHODUNA® PT ONE is designed for small scale and the metal content is reduced to one gram per liter. This allows extremely economical rhodium plating starting with the first liter of electrolyte - and with almost constant layer properties. Additional benefits include easy handling thanks to a simple work area and the reduction of the necessary components to an absolute minimum - apart from the initial concentrate, only water is required for electrolyte makeup.

A RHODUNA® PT ONE layer consists of 20% rhodium and 80% platinum. Nevertheless, the high-quality alloy cannot be distinguished from that of a pure rhodium electrolyte, even with a trained eye. Due to the high social value of platinum, your product simultaneously gains psychological value and its price acceptance increases significantly - conversely, for you as a producer, a coating with RHODUNA® PT ONE is far more attractive in terms of price than one with a pure rhodium electrolyte.

Electrolyte characteristics

Electrolyte type

Strongly acidic

Metal content

0.3 g/l Rh, 0.7 g/l Pt

pH value

< 1

Operating temperature

45 (40 - 50) °C

Current density range

3.0 (2.0 - 5.0) A/dm²

Plating speed

approx. 0.05 μm/min approx. 3.5 A/dm²

Anode material

Pt/Ti MMO 187SO

Coating characteristics

Coating

Rhodium-platinum

Alloy composition

20 % Rh, 80 % Pt

Colour of deposit

White

Brightness

Bright

Hardness of deposit

approx. 600 HV

Density of the coating

approx. 18.7 g/cm³


Advantages

 

  • White and bright rhodium-platinum coatings
  • Uniform layer thickness
  • Crack-free up to 0,3 μm
  • Wide current density range
  • Abrasion-resistant
  • Easy handling
  • Less expensive than pure rhodium layers
  • Good throwing power and minor porosity 
  • Good covering speed
  • Suitable for rack plating

 


Applications

 

  • Jewelry
  • Watches
  • Writing implements
  • Spectacle frames
  • Bathroom fittings







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.