HfB6
ceramic· JVASP-36042· HfB6
Hafnium hexaboride (HfB₆) is an ultra-high-temperature ceramic compound belonging to the hexaboride family, characterized by exceptional hardness and thermal stability. It is primarily of research and specialized industrial interest for extreme-environment applications where conventional materials fail, including aerospace thermal protection, high-temperature electrodes, and refractory applications in metal processing. HfB₆ is notable for its combination of high melting point, electrical conductivity unusual for ceramics, and resistance to oxidation at elevated temperatures, making it a candidate material where alternatives like tungsten or traditional oxides cannot operate.
aerospace thermal protectionultra-high-temperature electrodesrefractory liningshypersonic vehicle componentshigh-temperature catalytic systemsresearch and development
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — | |
Seebeck Coefficient(S) | — | µV/K | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.