Umicore · RHODUNA 275
Umicore Rhoduna 275 Black Rhodium Electrolyte for Pen Plating, 2 g Rh/100 mL
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Cleaning & Surface Treatment
Electroplating Solutions & Consumables
KYG0507
Umicore Rhoduna J1 Rhodium Electrolyte 9 g Rh (100 mL + 100 mL)
Umicore · RHODUNA J1
Umicore Rhoduna J1 Rhodium Electrolyte 9 g Rh (100 mL + 100 mL) enables brilliant, durable rhodium plating for jewelry, watches, and precision components.
Cleaning & Surface Treatment
Specifications
| Electrolyte Type | Strongly acidic |
|---|---|
| Ph Value | < 1 |
| Operating Temperature | 35°C (recommended range: 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 (type PLATINODE® 187) |
| Coating Purity | 99.99 wt.% Rh |
| Colour of Deposit | Brilliant white |
| Brightness | Bright |
| Hardness of Deposit | Approx. 800–900 HV |
| Max. Coating Thickness | Approx. 0.3 μm |
| Type | Initial Concentrate / Replenisher Solution |
| Content | Initial Concentrate 4 g Rh/100 ml / Replenisher Solution5 g Rh/100 ml |
Overview
Highlights
- Achieves high-purity, brilliant white rhodium finishes for decorative and technical items
- Flexible system with initial concentrate and replenisher for continuous plating
- Provides uniform, crack-free coatings with superior hardness and durability
Applications
- Bright rhodium plating for jewelry, rings, and luxury watches
- Decorative and protective coating of spectacle frames and premium accessories
- Surface finishing of electrical contacts or components requiring wear resistance
Overview
Umicore Rhoduna J1 Rhodium Electrolyte 9 g Rh (100 mL + 100 mL) is engineered for delivering high-purity, bright white rhodium finishes on a range of luxury and technical items. This solution provides both initial concentrate and replenisher formats, ensuring flexibility and consistent performance for professional plating processes.
With its strongly acidic formulation, Rhoduna J1 achieves uniform, crack-free coatings with high hardness and exceptional resistance to wear and corrosion. Its reliable deposition rate and adaptability for rack or barrel plating make it an excellent choice for manufacturers requiring aesthetic appeal and durability in jewelry, watches, spectacle frames, and high-end accessories.
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