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Hafnium Disilicide (HfSi2) Powder is...
HMSP-1731
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Hafnium Disilicide (HfSi2) Powder is a transition metal silicide with versatile applications in thin film coatings, bulk structures, electrical heating elements, thermoelectric materials, and photovoltaic materials. Heeger Materials provides high-quality Hafnium Disilicide Powder at competitive prices. The purity and particle size can be customized to meet specific requirements.
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| Purity | 99.5% - 99.9% |
| CAS | 12041-56-8 |
Hafnium Disilicide Powder, HfSi2, CAS 12401-56-8 belongs to the silicide powder range and is selected for controlled material quality, application-specific specifications and reliable supply for research or production use. It is commonly used in heating elements, high-temperature coatings, electronic materials, ceramic composites, diffusion studies and specialty alloy development. When requesting a quote, confirm silicide chemistry, purity, particle size distribution, phase requirement, impurity limits, packaging and quantity.
For material comparison or adjacent product forms, browse all products, deposition materials, technical ceramics and Silicide Powder.
What silicide powder information helps with selection? Please provide silicide chemistry, purity, particle size range, phase or impurity limits, packaging and intended heating, coating, electronic or research application.
Hafnium Disilicide (HfSi2) Powder is a refractory intermetallic compound characterized by a black-grey appearance and possesses unique physical and chemical properties. It finds common usage in ceramic materials. HfSi2 can be utilized as an Hf source for the in-situ synthesis of HfC to prevent oxidation, improve matrix erosion resistance, and compensate for ablation defects.

Product | Purity (%) | Particle Size (D50) | Chemical Composition (%) | |||
O | N | C | Si | |||
HM-HfSi2-1 | >99.0 | 0.5-1.0μm | ≤1.0 | ≤0.10 | ≤0.1 | 22.7-23.9 |
HM-HfSi2-2 | >99.5 | 1.0-3.0μm | ≤0.8 | ≤0.10 | ≤0.1 | 22.7-23.9 |
HM-HfSi2-3 | >99.9 | 10-60μm | ≤0.5 | ≤0.05 | ≤0.1 | 22.7-23.9 |
HM-HfSi2-4 | >99.9 | -325mesh | ≤0.3 | ≤0.05 | ≤0.1 | 22.7-23.9 |
Note | HM can provide different sizes according to customers' specific requirements. | |||||


Hafnium Disilicide (HfSi2) Powder should be kept sealed and stored in a dry and cool place, avoiding heavy pressure, contact with oxidizing agents, and being exposed to air. The vacuum packing is 100g/bag, 500g/bag, 1kg/bag, 25kg/drum, or per requirement.

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