Metall Schwärzen

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.

Black Chrome (Smoky Chrome) Electrolyte BMG‑108.3 Decorative Black Chrome Plating Solution – Striking Dark Metallic Finish Short Description The Black Chrome (Smoky Chrome) Electrolyte BMG‑108.3 is a specialized electroplating solution for producing dark metallic black chrome coatings on metal surfaces. This finish delivers a dramatic anthracite to deep black shimmer that is highly sought after for decorative and design‑oriented applications. It is a compelling alternative to black rhodium or black ruthenium plating and provides a distinctive, eye‑catching surface effect.  What is Black Chrome Plating Used For? Black chrome plating is used when high contrast, dark metallic visual aesthetics are desired. Typical uses include: Decorative finishes on automotive trim and accessories Consumer electronics and luxury items Jewelry and fashion hardware High‑end metal components where a stylish black surface is preferred Coatings over copper, nickel, gold or gold flash finishes Compared with bright chrome, black chrome offers a unique visual style while still benefiting from chromium’s metallic properties. How Does Black Chrome Plating Work? (Simple Explanation) Black chrome plating is an electrolytic process in which chromium is deposited onto a prepared base layer (e.g., nickel, copper or gold) using direct current: Surface preparation: The base metal must be clean, polished and thoroughly degreased. Electroplating: The workpiece is connected as the cathode (negative pole). A suitable anode (such as graphite or platinum) is used as the positive pole. Controlled plating: Under controlled voltage and temperature conditions, chromium ions are reduced and deposit as a dark, metallic black layer. Finish: After plating, parts are rinsed and dried to reveal the final black chrome finish. This plated layer combines decorative appeal with the corrosion resistance typical of chromium coatings. Key Benefits of Black Chrome Electrolyte BMG‑108.3 Produces a dark anthracite to black chrome finish that stands out visually Works over copper, nickel, gold or other metal bases Suitable for tank plating, brush plating and other methods Creates a metallic look distinct from painted or powder‑coated black surfaces Ideal for decorative, hobby, custom, and high‑end metalwork applications No special storage requirements; easy to handle in typical galvanic setups Technical Parameters Typical operating values for this black chrome plating solution are as follows: PropertyValue / RangeElectrolyte typeBlack chrome plating solutionVoltage range9–11 V (use slightly higher voltage with platinum anode)Operating temperature20–30 °CLightness (L*) of deposit65–70 % (dark metallic)Recommended electrodeCarbon or platinum electrodeChromium content in plate~99 % (balance carbon)Plating rate (10 V, carbon)~2 µm / min (spot)Maximum plating thickness~3 µmHardness (as plated)800 HVHardness after heat treatment1500–1600 HVDeposit density~7.2 g/cm³Shelf life1–2 yearsHazard classificationNot classified as dangerousTransport classNot classified as hazardous for transport Notes: Heat treatment at ~220 °C increases hardness significantly. When using a platinum electrode, slightly higher voltage (max. 11 V) is recommended for consistent coverage. Stainless steel anodes are generally not recommended for most plating processes Practical Application Tips Surface preparation: Polishing and thorough degreasing significantly improve adhesion and finish quality. Base layers: Black chrome often performs best over nickel or gold flash layers, but can also be applied on copper or other well‑prepared substrates. Electrode choice: Graphite electrodes are commonly used for black chrome plating due to wide compatibility and stable performance. Heat post‑treatment: Optional heat treatment enhances hardness and mechanical resistance. Safety Information Although not classified as a dangerous transport substance, proper safety measures are required: Wear chemical‑resistant gloves, safety goggles and protective clothing Avoid skin and eye contact Wash immediately with water if contact occurs Work only in well‑ventilated areas Observe local disposal regulations for plating waste Conclusion The Black Chrome (Smoky Chrome) Electrolyte BMG‑108.3 is a specialized plating solution for creating striking dark chrome finishes that are both decorative and durable. It works well over a range of base metals and is suitable for hobby projects, customized finishes, automotive detail work and other applications where a unique black metallic surface is desired. By following proper surface preparation and recommended operating parameters, you can achieve consistent and visually impressive results every time.

Black Nickel Electrolyte (Smoky Nickel) – Ready-to-Use Electrolyte for Tank, Pen and Brush PlatingProfessional Black Nickel Electrolyte for Decorative Dark Grey to Deep Black Nickel CoatingsThe Black Nickel Electrolyte (Smoky Nickel) from Betzmann Galvanik is a high-quality, ready-to-use plating solution designed for depositing decorative dark grey to deep black nickel coatings.The resulting coatings provide an elegant, modern appearance with a uniform colour finish and are widely used in the jewelry, watch, eyewear, design, restoration, and decorative metal finishing industries.Black Nickel is often used as a cost-effective alternative to Black Rhodium or Black Ruthenium. It offers an attractive dark metallic finish, good adhesion, and simple processing.The electrolyte is suitable for tank plating, pen plating, and brush/tampon plating, making it ideal for professional applications as well as repairs, prototypes, and small series production.Suitable Base MaterialsThe Black Nickel Electrolyte can be applied to various properly prepared metallic surfaces, including:NickelCopperBrassBronzeSilverGoldStainless steel (after suitable activation)Nickel-plated surfacesOther electroplated metalsFor optimum adhesion and durability, a suitable intermediate layer such as nickel or palladium may be recommended depending on the base material.Typical ApplicationsIdeal for:Jewelry manufacturingJewelry repairWatch casesWatch strapsEyewear framesWriting instrumentsDecorative metal componentsDesign objectsClassic restoration projectsModel makingCraftsElectroplating workshopsGoldsmithsJewelersProduct AdvantagesReady-to-use Black Nickel electrolyteDark grey to deep black finishElegant smoky nickel appearanceUniform coating formationGood adhesionDecorative final coatingEasy handlingSuitable for tank, pen and brush platingProfessional qualityIdeal for selective platingSuitable for single parts, repairs, and small production runsTechnical DataRecommended Operating ConditionsTank plating voltage: approx. 1.5–4.0 VoltsPen / brush plating voltage: approx. 3–6 VoltsBath temperature: 20–30 °CAnode material: Graphite electrode or Platinum electrodeReady-to-use electrolyteCoating PropertiesDark grey to deep black nickel coatingSatin to slightly glossy appearanceUniform colour distributionGood abrasion resistanceHigh colour stabilityDecorative final finishApplicationBefore plating, the workpiece must be thoroughly cleaned and activated to ensure optimum adhesion.For consistent results, voltage, electrode distance, plating time, and surface preparation should be adjusted according to the workpiece and application.The electrolyte is suitable for both small repair jobs and complete decorative coating of components.Supplied AsReady-to-use Black Nickel ElectrolyteAvailable in different container sizesQuality from Betzmann GalvanikBetzmann Galvanik supplies professional electrolytes for decorative and technical surface finishing applications.The Black Nickel Electrolyte (Smoky Nickel) produces elegant dark grey to deep black nickel surfaces with excellent colour uniformity and easy processing. It is the ideal solution for jewelry, watches, design objects, restoration projects, and decorative metal finishing – providing an attractive and economical alternative to Black Rhodium and Black Ruthenium coatings.

Graphite Plate Electrode 50 × 80 mm (SW10028) Short Description The Graphite Plate Electrode 50 × 80 mm is a robust, high‑density fine‑grain graphite electrode designed for bath electroplating and electrolysis applications. It offers excellent electrical conductivity, chemical resistance and mechanical stability, making it ideal for use as a working surface or shielding plate in a variety of electroplating setups.  Product Description This graphite plate is made from isostatically pressed, high‑density graphite, known for its superior conductivity and resistance to chemical corrosion and heat. With a thickness of 4 mm, it is suitable for bath plating, electrolytic cleaning, degreasing, gold, silver and chrome plating. Its flat and wide design makes it especially useful as a counter or shielding surface in plating baths — even under elevated temperatures.  Graphite electrodes are widely used because, unlike some metal anodes, they do not release contaminant metal ions into the electrolyte, which can otherwise disturb coating quality.  Typical Applications Bath electroplating for chrome, copper, bronze, gold or silver coatings Electrolytic cleaning and surface preparation Degreasing and activation prior to plating Shield or working surface in electroplating setups High temperature processes where stability is required Key Benefits Large active surface area: perfect for bath and electrolytic applications High electrical conductivity: ensures even current distribution Chemical resistance: suitable for a wide range of electroplating baths Mechanically durable: resistant to wear and tear Versatile: can serve as anode, counter or shield plate Usage Instructions Place the plate directly into the electrolyte or use it as a counter/shield surface. Ensure the graphite is clean and dry before use to maximize conductivity. Remove buildup after extended operation to maintain performance. Due to the material dissolving slowly in electrolytes, periodic replacement may be required.  Conclusion The Graphite Plate Electrode 50 × 80 mm is a versatile and reliable component for electroplating processes, offering a large conductive area, chemical resilience and stable performance that enhances efficiency and consistency in a wide range of plating applications.

Black Ruthenium Electrolyte – Ready-to-Use Black Ruthenium Plating Solution (5.0 g/L Ru)Professional Black Ruthenium Electrolyte for Elegant Dark Grey to Deep Black Ruthenium CoatingsThe Black Ruthenium Electrolyte is a premium, ready-to-use black ruthenium plating solution developed for depositing elegant dark grey to deep black ruthenium coatings. The deposited coatings are characterized by excellent color consistency, gloss retention, outstanding wear resistance, and an exclusive decorative appearance.Specifically designed for decorative electroplating applications, this electrolyte is ideal for finishing jewelry, watches, eyewear frames, luxury accessories, and premium metal components. Its uniform deposition produces sophisticated anthracite to black finishes with excellent durability and long-lasting color stability.With a ruthenium content of 5.0 g/L Ru, the electrolyte produces decorative ruthenium coatings with a maximum coating thickness of up to 0.5 µm.Important: When plating silver, copper, brass, bronze, or other base metals, a gold or palladium intermediate layer is strongly recommended to ensure optimum adhesion, color stability, and long-term coating performance.ApplicationsThe Black Ruthenium Electrolyte is ideal for:JewelryRingsNecklacesPendantsBraceletsEarringsWatches and watch componentsEyewear framesLuxury accessoriesDesigner productsDecorative metal finishingPremium surface finishingSuitable for:JewelersGoldsmithsJewelry manufacturersWatchmakersEyewear manufacturersElectroplating companiesProfessional workshopsProduct BenefitsReady-to-use black ruthenium plating solution5.0 g/L ruthenium contentElegant dark grey to deep black finishExcellent color consistencyGloss-retaining coatingOutstanding wear and abrasion resistanceUniform metal depositionPremium decorative appearanceIdeal for luxury surface finishingProfessional electroplating qualitySuitable Base MaterialsThe electrolyte is suitable for a wide range of metals and properly prepared electroplated surfaces.Suitable substrates include:GoldWhite goldYellow goldRose goldPalladiumPlatinumNickelStainless steelRecommended intermediate layer for:SilverCopperBrassBronzeBase metalsFor these materials, a gold or palladium strike/intermediate layer is recommended before black ruthenium plating to maximize adhesion, color consistency, and long-term durability.Technical SpecificationsProduct TypeBlack Ruthenium ElectrolyteRuthenium Content5.0 g/L RupH ValueApprox. 1Electrolyte DensityApprox. 12 g/cm³Recommended Operating ConditionsParameterValueVoltage2.2–3.0 VoltsBath Temperature65 °C (60–70 °C)Plating TimeApprox. 2 minutes (2–4 minutes)Electrode MaterialGraphite or Platinum ElectrodesAnode/Cathode RatioApprox. 1:1Current Density0.5–3.0 A/dm²Workpiece AgitationRequiredDeposition RateApprox. 1–3 mg/A·minDeposition SpeedApprox. 0.02 µm/min at 1.5 A/dm²Bath FiltrationRecommended for bath volumes above 10 litersCoating PropertiesThe deposited black ruthenium coating offers:Elegant dark grey to deep black finishExcellent color consistencyGloss-retaining surfaceOutstanding wear resistanceExcellent handling durabilityPremium decorative appearanceLong service lifeUniform coating qualityDeposit CharacteristicsHardness: Approx. 800 HVMaximum Coating Thickness: Up to 0.5 µmDensity: Approx. 12 g/cm³Processing RecommendationsFor optimum plating performance, all workpieces should be thoroughly cleaned, degreased, rinsed, and activated before electroplating.For silver and other base metals, a gold or palladium intermediate layer is strongly recommended to prevent discoloration and improve adhesion.Maintaining the recommended operating conditions ensures consistent coating thickness, uniform color, and premium surface quality. Variations in voltage, bath temperature, or plating time may influence the final color shade and deposit characteristics.Available VersionReady-to-Use Black Ruthenium Electrolyte – 5.0 g/L RuQuality from Betzmann GalvanikBetzmann Galvanik develops premium precious metal electrolytes for professional electroplating applications in jewelry manufacturing, watchmaking, eyewear production, luxury goods, and industrial surface finishing.Our black ruthenium plating solutions are manufactured to the highest quality standards, ensuring excellent process stability, reliable plating performance, and elegant dark grey to deep black ruthenium coatings with outstanding durability, color consistency, and premium decorative appeal.

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 CoatingsThe 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.ApplicationsThe Black Rhodium Electrolyte is ideal for:JewelryRingsNecklacesPendantsBraceletsEarringsWatches and watch componentsEyewear framesLuxury accessoriesDecorative metal finishingPremium surface finishingDesigner metal componentsSuitable for:JewelersGoldsmithsJewelry manufacturersWatchmakersEyewear manufacturersElectroplating companiesProfessional workshopsProduct BenefitsReady-to-use black rhodium plating solution2.0 g/L rhodium contentElegant dark anthracite-grey finishUniform and color-consistent coatingsExcellent wear resistanceEasy bath maintenanceUser-friendly operationOperates at room temperatureNo bath heating requiredIdeal for decorative luxury finishesProfessional electroplating qualitySuitable Base MaterialsThe electrolyte is suitable for various metals and properly prepared electroplated surfaces, including:GoldWhite goldYellow goldRose goldSilverPalladiumPlatinumNickelStainless steelSuitable electroplated intermediate layersFor optimum adhesion and coating quality, all workpieces should be thoroughly cleaned, degreased, rinsed, and activated before black rhodium plating.Technical SpecificationsProduct TypeBlack Rhodium ElectrolyteRhodium Content2.0 g/L RhpH Value< 1Density1.02–1.07 g/cm³Recommended Operating ConditionsParameterValueVoltage2–3 VoltsBath Temperature20–27 °CPlating TimeApprox. 2 minutes (1–5 minutes)Electrode MaterialGraphite or Platinum ElectrodesAnode/Cathode RatioApprox. 1:1Current Density1.0–1.5 A/dm²Workpiece AgitationRequiredDeposition RateApprox. 6–8 mg/A·minBath FiltrationRecommended for bath volumes above 10 litersCoating PropertiesThe deposited black rhodium coating provides:Elegant dark anthracite-grey finishUniform color distributionExcellent color consistencyHigh wear resistancePremium decorative appearanceLong-lasting durabilityHigh-quality surface finishDeposit CharacteristicsHardness: 300–370 HVMaximum Coating Thickness: Up to 0.5 µmDensity: Approx. 10.5 g/cm³Processing RecommendationsFor 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 VersionReady-to-Use Black Rhodium Electrolyte – 2.0 g/L RhQuality from Betzmann GalvanikBetzmann 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.