SiOs
ceramic· SiOs
SiOs is a silicon oxide ceramic compound with a complex crystal structure and moderate to high stiffness, belonging to the broader family of silicate ceramics. While the exact stoichiometry and phase composition are not specified, materials in this family are valued for their chemical inertness, thermal stability, and hardness across demanding applications. Silicon oxide ceramics are widely employed in structural and functional roles where corrosion resistance, high-temperature performance, or wear resistance is critical, though their brittleness typically limits use to compression-dominated or protected loading scenarios.
refractory liningssemiconductor processing equipmentwear-resistant coatingsthermal insulation componentsglass manufacturing crucibleshigh-temperature structural applications
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 42,797.4 | ksi | — | ||
| ↳ | 42,797.4 | ksi | — | ||
| ↳ | 28,325.9 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.7565 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.3078 | - | — | ||
| ↳ | 0.3300 | - | — | ||
Shear Modulus(G)3 entries | 18,871.3 | ksi | — | ||
| ↳ | 18,871.3 | ksi | — | ||
| ↳ | 14,115.1 | ksi | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.4654 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.5030 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 36.32 | - | — | ||
| ↳ | 32.03 range 25.56–38.50median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.7725 | C/m² | — | ||
| ↳ | 0.2454 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -424.2 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.03360 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.4146 | eV/atom | — | ||
| ↳ | -0.2648 | eV/atom | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
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.