Description

Tungsten Silicide is an advanced inorganic compound with the chemical formula WSi₂, primarily valued for its exceptional thermal stability and electrical properties. This refractory material is critical in high-temperature and demanding electronic applications where reliability and performance are paramount. It is an essential material for manufacturers in the semiconductor, aerospace, and specialized metallurgical industries seeking to enhance product durability and functionality.

Application

• Semiconductor Manufacturing: Used as a low-resistivity gate and interconnect material in integrated circuits, and as a diffusion barrier layer.
• High-Temperature Coatings: Applied as a protective coating on components exposed to extreme heat and corrosive environments, such as in turbine engines.
• Heating Elements: Employed in the fabrication of heating elements for high-temperature furnaces due to its stability and oxidation resistance.
• Wear-Resistant Parts: Incorporated into composites and alloys to produce parts with enhanced hardness and wear resistance.
• Thin Film Deposition: Serves as a sputtering target for physical vapor deposition (PVD) processes to create thin films in microelectronics.
• Research & Development: Utilized in academic and industrial R&D for developing new materials and studying high-temperature solid-state reactions.

Basic Information

Product Name	Tungsten Silicide
CAS No.	12039-88-2
Molecular Formula	WSi₂
Molecular Weight	240.01 g/mol
Synonyms	Tungsten disilicide; Silicotungstic; Tungsten(IV) silicide; WSi₂; Tungsten silicide (WSi₂); Disilicon tungsten; Tungsten silicide powder
EINECS	234-907-1

Quality Control

Our Tungsten Silicide is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and compliance with technical-grade specifications. We employ advanced analytical techniques, including X-ray diffraction (XRD) and scanning electron microscopy (SEM), to verify phase purity, particle size distribution, and morphology. A comprehensive Certificate of Analysis (COA) detailing purity, metallic impurities, and physical characteristics is provided with every shipment to guarantee material integrity for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed in a dry environment to prevent oxidation or degradation. Incompatible with strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Gray to black powder
Identification (XRD)	Conforms to WSi₂ structure
Assay (Tungsten content)	≥ 99.0%
Particle Size (D50)	1-10 µm (customizable)
Oxygen Content	≤ 1.0%
Metallic Impurities (ICP-MS)	≤ 500 ppm total
Bulk Density	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.