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Product #: HF-701

Product Description

Hafnium Silicide (HfSi2) is widely used as a high temperature, anit-oxidation coating, in metal ceramics, in high temperature structure materials and aerospace industries. It is dark gray, odorless, and insoluble in water.

Product Cost

Quantities May be Limited
The pricing for this product is subject to fluctuation based on market rates, therefore real-time pricing is not available. We recommend requesting a quote to receive accurate pricing information, via the quote tool on this page. Our pricing is influenced by multiple factors, and we strive to provide the most precise and up-to-date pricing details to our valued customers.
Quantity (KG) Price
1-2 KG Please Request a Quote
3-10 KG Please Request a Quote
11-25 KG Please Request a Quote
26-100 KG Please Request a Quote
Note: Prices are subject to change without notice due to market conditions

Product Notes

Cannot Ship outside the Continental United States

End-Use Statement Required

50 gram minimum order

Can ship by UPS or FedEx

Standard packagiing: 50 gram, 100 gram, 500 gram, 1 kg bottles


Formula HfSi2 234.66
Purity 99.8
Particle Size -325 Mesh
ECCN 1C231
Schedule B 8112.92.0600
CAS CAS-12401-56-8
Melting Point 1680°C / 3056°F
Boiling Point -
Density 8.02 g/cm3
Coef. of Expansion @ 20°C -
Crystal Structure Orthorhombic
Electric Resistivity -
Composition Hf: 76.06%, Si: 23.94%




Thin Film Deposition, Optical Coatings, Semiconductor Fillms, Ceramics, Aerospace

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