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Rhodium Wire

MetalsTek Engineering specializes in producing up to 99.99% purity Rhodium Wire. We have various diameters Rhodium Wire in stock and can cut according to your requests. 

Rhodium Wire (Rh Wire)

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Material: Rhodium

Purity: Rh 99.95%, 99.99%

Form: Wire, Rod

Size: Dia.0.1~3.0mm Can be Customized

Length: Tailored Length

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Rhodium Wire Properties (Theoretical)

Molecular Weight102.91
AppearanceGray
Melting Point1,964 °C
Boiling Point3,727 °C
Density12.41 gm/cc
Solubility in H2ON/A
Electrical Resistivity4.51 microhm-cm @ 20 °C
Electronegativity2.2 Paulings
Heat of Fusion5.2 Cal/gm mole
Heat of Vaporization127 K-Cal/gm atom at 3727 °C
Poisson’s Ratio0.26
Specific Heat0.0583 Cal/g/K @ 25 °C
Tensile StrengthN/A
Thermal Conductivity1.50 W/cm/K @ 298.2 K
Thermal Expansion(25 °C) 8.2 µm·m-1·K-1
Vickers Hardness1,246 MPa
Young’s Modulus380 GPa

What is Rhodium

Rhodium (Rh) is a rare, silvery-white transition metal that belongs to the platinum group of metals. It is known for its exceptional hardness, high reflectance, and resistance to corrosion. Rhodium is typically found in platinum or nickel ores and is one of the rarest and most valuable precious metals. Its rarity and unique properties make it highly sought after in various industrial and commercial applications.

Applications of Rhodium Wire

Rhodium wire’s unique combination of physical and chemical properties makes it indispensable in various high-tech and industrial applications, contributing significantly to advancements in multiple fields.

  1. Catalysis:

    • Automotive Catalysts: Rhodium wire is used in catalytic converters in automobiles to reduce harmful emissions by converting nitrogen oxides into nitrogen and oxygen.
    • Chemical Catalysts: It is employed in the chemical industry for hydrogenation and oxidation reactions due to its excellent catalytic properties.
  2. Electronics:

    • Electrical Contacts and Connectors: Rhodium wire is used in electrical contacts and connectors, especially where reliable and low-resistance connections are critical.
    • Thermocouples: It is utilized in high-temperature thermocouples (e.g., Rhodium-Platinum thermocouples) for precise temperature measurement.
  3. Glass Manufacturing:

    • Fiber Optics Production: Rhodium wire is used in the production of high-quality glass for fiber optics due to its high melting point and corrosion resistance.
    • Glass Coating: It is also employed in glass coating processes to improve the durability and reflectivity of the glass.
  4. Jewelry and Decorative Applications:

    • Rhodium Plating: Rhodium wire is used to plate jewelry, giving it a reflective, bright finish and enhancing its appearance and durability.
    • Decorative Coatings: It is applied as a coating on various decorative items to provide a lustrous and corrosion-resistant surface.
  5. Medical Applications:

    • Medical Devices: Due to its biocompatibility, rhodium wire is used in certain medical devices and implants.
    • Dental Equipment: It is used in dental equipment and tools for its durability and resistance to wear.
  6. Aerospace:

    • High-Temperature Components: Rhodium wire is used in aerospace applications where components are exposed to extreme temperatures and require excellent durability and resistance to oxidation.

Packaging and Handling

Handling and storage of rhodium materials require care to prevent contamination and ensure the purity of the deposited film. Our Rhodium Wires are clearly labeled externally to ensure efficient identification and quality control. We take great care to prevent any damage during storage or transportation.

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Request A Quote
Attach a Drawing
*Company e-mail address is preferred. 

Request A Quote
Attach a Drawing
*e-mail address with your company's domain name is preferred.