KYSiS4

ceramic
· JVASP-40422· KYSiS4

KYSiS4 is a silicon-based ceramic compound belonging to the silicate family, likely a potassium yttrium silicate phase based on its elemental designation. This appears to be a research or specialized ceramic composition rather than a widely commercialized material, positioned within the broader class of advanced silicates used in high-temperature and refractory applications. Engineers would consider this material where thermal stability, chemical resistance, or specific dielectric properties are required in demanding thermal or chemical environments.

refractory componentshigh-temperature insulationceramic matrix compositesadvanced materials researchthermal barrier applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
0.09989
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
2.808
eV
Dielectric Constant (Relative Permittivity)(εr)
10.97
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.1225
C/m²
Seebeck Coefficient(S)
-234.6
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-1.552
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.