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

Tantalum Disilicide Powder (TaSi2 )

Tantalum disilicide powder, as a high-performance chemical material, is widely used in multiple fields due to its high melting point, low electrical resistivity, corrosion resistance, and high-temperature oxidation resistance. Tantalum disilicide has a dark gray cubic crystalline powder morphology, high density, and controllable particle size. Tantalum disilicate powder plays a crucial role in the fields of electric heating components, high-temperature structural components, connection circuits of integrated circuits, high-temperature oxidation resistant coatings, and ceramic matrix composites. In addition, it also holds an important position in high-tech fields such as aerospace and engine manufacturing. Due to its excellent performance and wide range of applications, tantalum disilicide powder has become one of the popular materials in material science research and industrial production today.


purity:>99.9% 

Particle size: D50=1-3um

CAS: 12039-79-1

  • tantalum disilicide tasi2
  • tantalum disilicide tasi2

Product Overview

  • Chemical Name: Tantalum Disilicide

  • Molecular Formula: TaSi₂

  • CAS Number: 12039-79-1

  • Purity: ≥99.5% or ≥99.9%

  • Particle Size Options:<5 µm, <10 µm, 325 mesh, or custom nanometer grades

  • Appearance: Gray to dark gray powder

  • Production Method: Controlled hydrogen reduction / solid-state reaction

  • Packaging: Vacuum-sealed aluminum foil bags or inert gas-filled containers



Why Choose Our TaSi₂ Powder?

Key FeatureCustomer Benefit

Superior Oxidation Resistance

TaSi₂ forms a protective SiO₂ scale in oxidative environments up to 1650 °C—ideal for structural and thermal barrier coatings.

High Electrical Conductivity

Suitable for electronic interconnects, heating elements, and thin-film resistors.

Phase Stability & Thermal Shock Resistance

Excellent for aggressive high-temp processing conditions like CVD, sintering, or composite reinforcement.

Custom Particle Control

Optimized morphology and surface area for slurry stability, coating uniformity, and controlled sintering behavior.



Applications of TaSi₂ Powder in Advanced Materials

Tantalum disilicide is a go-to choice for applications where traditional ceramics fail under thermal, chemical, or mechanical stress:

  • High-Temperature Coating Systems
    Used in oxidation-resistant coatings for turbine blades, furnace components, and engine parts.

  • Electronic Materials
    Integrated into conductive pastes, gate electrodes, and resistive thin-film elements.

  • Composite & Cermet Materials
    Reinforcement in SiC- or ZrB₂-based ultra-high temperature ceramics (UHTCs).

  • Sputtering Targets & PVD Feedstocks
    Raw material for producing TaSi₂ sputtering targets for barrier layers and protective films in microelectronics.


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