Skip to main content Skip to search Skip to main navigation

Black Rhodium Electrolyte – Ready-to-Use Black Rhodium Plating Solution (2.0 g/L Rh)

Product information "Black Rhodium Electrolyte – Ready-to-Use Black Rhodium Plating Solution (2.0 g/L Rh)"

Black Rhodium Electrolyte – Ready-to-Use Black Rhodium Plating Solution (2.0 g/L Rh)

Professional Black Rhodium Electrolyte for Elegant Anthracite-Grey Decorative Rhodium Coatings

The Black Rhodium Electrolyte is a premium, ready-to-use black rhodium plating solution developed for depositing elegant dark anthracite-grey rhodium coatings. The deposited coatings are characterized by their uniform color, excellent color consistency, high wear resistance, and premium decorative appearance.

Designed specifically for decorative electroplating applications, this electrolyte is ideal for finishing jewelry, watches, eyewear frames, luxury accessories, and high-quality metal components. Its simple bath maintenance and user-friendly operation make it an excellent choice for professional electroplating. Since the electrolyte operates efficiently at room temperature, no additional heating is required, reducing both energy consumption and processing time.

With a rhodium content of 2.0 g/L Rh, the electrolyte produces premium black rhodium coatings with a maximum thickness of 0.5 µm.


Applications

The Black Rhodium Electrolyte is ideal for:

  • Jewelry

  • Rings

  • Necklaces

  • Pendants

  • Bracelets

  • Earrings

  • Watches and watch components

  • Eyewear frames

  • Luxury accessories

  • Decorative metal finishing

  • Premium surface finishing

  • Designer metal components

Suitable for:

  • Jewelers

  • Goldsmiths

  • Jewelry manufacturers

  • Watchmakers

  • Eyewear manufacturers

  • Electroplating companies

  • Professional workshops


Product Benefits

  • Ready-to-use black rhodium plating solution

  • 2.0 g/L rhodium content

  • Elegant dark anthracite-grey finish

  • Uniform and color-consistent coatings

  • Excellent wear resistance

  • Easy bath maintenance

  • User-friendly operation

  • Operates at room temperature

  • No bath heating required

  • Ideal for decorative luxury finishes

  • Professional electroplating quality


Suitable Base Materials

The electrolyte is suitable for various metals and properly prepared electroplated surfaces, including:

  • Gold

  • White gold

  • Yellow gold

  • Rose gold

  • Silver

  • Palladium

  • Platinum

  • Nickel

  • Stainless steel

  • Suitable electroplated intermediate layers

For optimum adhesion and coating quality, all workpieces should be thoroughly cleaned, degreased, rinsed, and activated before black rhodium plating.


Technical Specifications

Product Type
Black Rhodium Electrolyte

Rhodium Content
2.0 g/L Rh

pH Value
< 1

Density
1.02–1.07 g/cm³


Recommended Operating Conditions

ParameterValue
Voltage2–3 Volts
Bath Temperature20–27 °C
Plating TimeApprox. 2 minutes (1–5 minutes)
Electrode MaterialGraphite or Platinum Electrodes
Anode/Cathode RatioApprox. 1:1
Current Density1.0–1.5 A/dm²
Workpiece AgitationRequired
Deposition RateApprox. 6–8 mg/A·min
Bath FiltrationRecommended for bath volumes above 10 liters

Coating Properties

The deposited black rhodium coating provides:

  • Elegant dark anthracite-grey finish

  • Uniform color distribution

  • Excellent color consistency

  • High wear resistance

  • Premium decorative appearance

  • Long-lasting durability

  • High-quality surface finish

Deposit Characteristics

  • Hardness: 300–370 HV

  • Maximum Coating Thickness: Up to 0.5 µm

  • Density: Approx. 10.5 g/cm³


Processing Recommendations

For optimum plating results, all components should be thoroughly cleaned, degreased, rinsed, and activated before electroplating. Following the recommended operating parameters ensures consistent coating thickness, uniform color, and excellent surface quality.

Changes in voltage, bath temperature, or plating time may influence the final color shade, coating thickness, and deposit quality.


Available Version

  • Ready-to-Use Black Rhodium Electrolyte – 2.0 g/L Rh


Quality from Betzmann Galvanik

Betzmann Galvanik develops premium precious metal electrolytes for professional electroplating applications in jewelry manufacturing, watchmaking, eyewear production, luxury goods, and industrial surface finishing.

Our black rhodium plating solutions are manufactured to the highest quality standards, ensuring excellent process stability, consistent plating performance, and elegant anthracite-grey rhodium coatings with outstanding durability and color consistency for professional users worldwide.

Ghs05-klein
Ghs05-klein

Hazard statements

H314 Causes severe skin burns and eye damage.

H290 May be corrosive to metals. 

Precautionary statements 

P234 Keep only in original container.

P260 Do not breathe dust/fumes/gas/mist/vapors/spray. 

P280 Wear protective gloves/protective clothing/eye protection/face protection. 

P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. 

P363 Wash contaminated clothing before reuse.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P310 Immediately call a POISON CENTER/doctor/…/. 

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. 

P310 Immediately call a POISON CENTER/doctor/…/. 

P390 Absorb spilled quantities to prevent material damage. 

P405 Store locked up. 

P406 Store in a corrosion-resistant container with a corrosion-resistant inner lining.

Skip product gallery

Ähnliche Artikel

Graphite Electrode Ø 6 mm – Universal Electrode for Tank, Pen and Brush Plating

Graphite Electrode Ø 6 mm – Universal Electrode for Professional ElectroplatingChemically Inert Graphite Electrode for Tank, Pen and Brush PlatingThe Graphite Electrode Ø 6 mm is manufactured from high-quality, high-density fine-grain graphite and is ideal for a wide range of electroplating applications. It is used wherever a metal-free, chemically inert electrical conductor is required and contamination of the electrolyte by metal ions must be avoided.Thanks to its excellent chemical resistance, graphite dissolves only very slowly in the electrolyte. This keeps the electrolyte composition stable and ensures high-quality, uniform plating results.The graphite electrode is perfectly suited for tank plating, pen plating and brush (tampon) plating and is compatible with a wide variety of electroplating solutions.Your AdvantagesManufactured from high-quality fine-grain graphiteChemically inertVery low wearNo contamination of the electrolyte with metal ionsExcellent chemical resistanceUniform current distributionSuitable for a wide range of electroplating processesLong service lifeFits standard 6 mm electrode holdersProfessional quality from Betzmann GalvanikWhy Use a Graphite Electrode?Many electroplating processes require that no additional metal ions enter the electrolyte, as these can negatively affect coating quality.Graphite offers several important advantages:Chemically almost inertVery low solubilityExcellent temperature resistanceGood electrical conductivityNo contamination of the electrolyteThese properties make graphite the preferred choice for many decorative and technical plating applications.Typical ApplicationsIdeal for:Gold platingSilver platingChromium platingPalladium platingPlatinum platingWhite bronze platingBlack nickel platingTank platingPen platingBrush (tampon) platingActivating solutionsCleaning solutionsWorkshopsLaboratoriesIndustrial applicationsRestorationModel makingMaterial PropertiesThe electrode is manufactured from high-density fine-grain graphite and offers:Excellent chemical resistanceGood electrical conductivityLow wearSlow consumption in the electrolyteLong service lifeApplication InstructionsBefore use:Keep the electrode clean and free from greaseUse a suitable electrolyteFollow the recommended voltage and current settingsDuring operation, the graphite electrode wears only slowly. Replacing it when necessary ensures consistently high-quality plating results.Technical SpecificationsMaterial: High-density fine-grain graphiteDiameter: 6 mmExcellent chemical resistanceVery good electrical conductivitySuitable for standard electrode holdersPackage Contents1 × Graphite Electrode Ø 6 mmQuality from Betzmann GalvanikBetzmann Galvanik supplies high-quality electrodes and professional accessories for demanding electroplating applications. The Graphite Electrode Ø 6 mm offers excellent chemical resistance, long service life and universal compatibility, making it the ideal choice for hobby users, workshops and industrial applications.

Regular price: €6.00
Anode sleeve fuzzy

Anode Fabric Pad Sleeve Fluffy BMG-015 – Uniform Coating & Maximum Control The Anode Fabric Pad Fluffy BMG-015 is a specially designed accessory for pen plating and tampon electroplating, ensuring consistent electrolyte distribution and controlled coating processes. Thanks to its fluffy, high-volume structure, the pad absorbs electrolyte efficiently and releases it evenly and continuously onto the surface. This results in clean, uniform and high-quality metal coatings, even in demanding applications. Key Benefits at a Glance Excellent electrolyte absorption and release Uniform liquid and current distribution Ideal for precise and controlled plating Suitable for: Pen plating Tampon plating Reduces streaking and uneven deposits Flexible and easy to replace Applications Selective metal plating Repair and touch-up work Fine detail applications Jewelry finishing Technical surface treatments Technical Parameters Product Type: Anode fabric pad (fluffy) Item Number: BMG-015 Material: High-absorbency textile fabric Structure: Fluffy / high-volume Function: Electrolyte carrier for anode applications Application Areas: Pen plating Tampon plating Electrolyte Absorption: Very high Electrolyte Release: Even and controlled Current Distribution: Supports uniform deposition Reusability: Limited (depending on application) Replacement: Quick and easy Application – Step by Step 1. Preparation Soak the fabric pad with the appropriate electrolyte Allow excess liquid to drip off slightly Attach to the anode or plating pen 2. Pen Plating Application Move the pad evenly across the surface Maintain consistent contact Control voltage and movement Ensures precise and clean results 3. Tampon Plating Application Use the pad as an electrolyte carrier Apply even pressure Maintain continuous motion  Ideal for selective plating applications Pro Tips for Best Results Replace pad regularly for consistent quality Avoid over-saturation → better control Uniform movement prevents streaks Always use clean electrolyte Conclusion The Anode Fabric Pad Fluffy BMG-015 is an essential accessory for achieving precise, uniform and high-quality results in pen and tampon electroplating. It ensures optimal control, clean finishes and significantly improved coating performance.

Regular price: €2.45