Niobium Silicide Powder (NbSi₂) is an intermetallic compound composed of niobium and silicon, typically supplied as a dark gray powder with a hexagonal crystal structure. It combines relatively low density with high hardness, high-temperature stability and good chemical resistance, making it suitable for high-temperature structural materials, electronic materials, advanced ceramics and protective coatings.
VIMATERIAL supplies niobium silicide powder for research, development and industrial applications, with customizable purity, particle size and packaging available according to customer requirements. Contact us for more information.
| Chemical Formula | NbSi₂ |
| Crystal Structure | Hexagonal |
| Appearance | Dark gray to black-gray powder |
| Density | Approximately 5.7 g/cm³ |
| Vickers Hardness | Approximately 5.88–6.88 GPa |
| Melting Point | Approximately 1950°C |
| Chemical Stability | Insoluble in water and concentrated hydrochloric or sulfuric acid; soluble in certain hydrofluoric acid–sulfuric acid mixtures. |
| High-Temperature Performance | Maintains structural stability and mechanical properties under elevated-temperature conditions. |
| Wear Resistance | High hardness provides good resistance to wear and surface damage. |
VIMATERIAL applies strict quality control throughout the production and supply process to ensure consistent NbSi₂ powder quality and reliable performance. Depending on customer requirements, quality control can include chemical composition and purity, particle size distribution, phase composition, morphology and other relevant material specifications. Inspection and documentation can be provided according to the agreed technical requirements.
Packaging: Available in sealed moisture-resistant containers with customized quantities and packaging options for laboratory and industrial use.
Storage: Store in a cool, dry environment in tightly sealed containers and protect the powder from moisture, contamination and prolonged exposure to air.
VIMATERIAL can provide NbSi₂ powder with customized purity, particle size, packaging and quantity according to application requirements. Small-batch orders and customized material specifications are also available.
NbSi₂ powder, also known as niobium disilicide powder or niobium silicide powder, is an intermetallic compound composed of niobium and silicon. It offers high hardness, high-temperature stability and good chemical resistance.
It is mainly used in high-temperature structural materials, advanced ceramics, electronic materials and protective coatings, particularly in applications requiring thermal stability, hardness and wear resistance.
Yes. Particle size and particle size distribution can be customized according to your application, processing method and technical requirements.
Yes. Small-batch quantities are available for research, testing and development projects. The MOQ depends on the required specification and quantity.
Yes. Technical documentation such as TDS, SDS and relevant quality or inspection documentation can be provided according to the product specification and order requirements.
For standard specifications available from stock, delivery can be arranged quickly. Standard or customized specifications generally require additional processing time depending on purity, particle size, quantity and packaging requirements.
VI HALBLEITERMATERIAL GmbH (VIMATERIAL) employs a stringent quality assurance system to ensure the reliability of our product quality. Strict quality control is implemented throughout the entire production chain, and for defective products, we strictly enforce the principle of rework and redo. Each batch is released only after passing detailed specification tests.
Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
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