Xi'an Zhiyue Material Tech. Co., Ltd.
Xi'an Zhiyue Material Tech. Co., Ltd.

Zirconium Carbide Powder (ZrC)

Zirconium carbide powder is a high-performance inorganic non-metallic material with significant characteristics such as high melting point, high hardness, and strong chemical stability. It is widely used in the manufacturing of wear-resistant and corrosion-resistant hard alloys, such as zirconium carbide crucibles and cutting tools, which can effectively improve the durability and service life of products. In addition, zirconium carbide powder is also applied in fields such as fiber reinforced materials, high-temperature resistant coatings, and new insulation and temperature regulating textiles, providing important support for modern industrial and technological development. Its unique physical and chemical properties make zirconium carbide powder exhibit broad application prospects in multiple fields.


purity: ≥ 99.99% 

Particle size: D90 < 3um

CAS: 12070-14-3

  • zirconium carbide powder
  • zirconium carbide powder

Product Specifications

  • Product Name: Zirconium Carbide Powder

  • Chemical Formula: ZrC

  • CAS Number: 12070-14-3

  • Purity Levels: 99.5%, 99.9%

  • Particle Size Options: 1–5 µm, <10 µm, nano (<100 nm), custom mesh sizes

  • Appearance: Gray-black powder

  • Crystal Structure: Cubic (NaCl-type structure)

  • Melting Point: ~3530 °C

  • Density: 6.73 g/cm³

  • Packaging: Double-layer vacuum packaging or argon-filled containers



Key Advantages of Zhiyue’s Zirconium Carbide Powder

PropertyTechnical Benefit

Ultra-High Melting Point (~3530 °C)

Suitable for thermal protection systems, nozzles, and hypersonic flight components.

High Hardness (~25 GPa)

Ideal for tool coatings, wear-resistant surfaces, and structural reinforcements.

Good Electrical and Thermal Conductivity

Enables use in electrode materials and high-temperature electronic applications.

Low Oxidation Rate in Inert Atmosphere

Stable in non-oxidizing environments even above 2000 °C.



Where Is Zirconium Carbide (CAS 12070-14-3) Commonly Used?

ZrC powder plays a critical role in advanced material systems operating in aggressive conditions:

  • Thermal Protection Systems (TPS)
    Used in reentry vehicles, rocket engines, and hypersonic aerospace platforms due to its exceptional thermal shock resistance.

  • Hard Coating & Surface Engineering
    Serves as a base material for plasma-sprayed coatings or PVD films on cutting tools, wear parts, and molds.

  • Nuclear Fuel Cladding & Control Rods
    Investigated as an inert matrix for nuclear fuel due to low neutron absorption and high chemical stability.

  • High-Temperature Structural Ceramics
    Blended with SiC or ZrB₂ to form UHTCs for turbine blades, jet nozzles, or thermal barrier systems.

  • Electronic & Electrochemical Applications
    Utilized in field emission cathodes, electrodes, and thermionic emission systems thanks to its good conductivity.



Key Considerations When Purchasing ZrC Powder

1. Purity Level

  • ≥99.9% is essential for nuclear, electronic, and thin film applications.

  • 99.5% is sufficient for most thermal spray, composite, or mechanical applications.

2. Particle Size Distribution

  • Submicron and nano-sized powders (<1 µm) support faster sintering and finer coating microstructures.

  • 1–10 µm range is optimal for most additive manufacturing, pressing, and sintering applications.

3. Thermal Stability and Atmosphere Compatibility

  • ZrC performs well in vacuum, inert, and reducing environments.

  • In oxidizing atmospheres above 800–1000 °C, a protective layer or ZrC-SiC hybrid is recommended.

4. Packaging and Storage

  • ZrC is sensitive to surface oxidation over time; our packaging minimizes air exposure with vacuum sealing or argon gas flushing.


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