KO3 — Properties & Data | MatWorld

KO3

ceramic

· JVASP-9101· KO3

KO3 is a potassium oxide-based ceramic compound with a relatively low density and moderate elastic stiffness, positioning it as a lightweight structural ceramic. While specific industrial production volumes are not widely documented in mainstream engineering databases, potassium oxide ceramics are investigated for applications requiring thermal stability, chemical resistance, and reduced weight in high-temperature or corrosive environments. Engineers would consider KO3 primarily in specialized contexts where its particular combination of density and mechanical properties offers advantages over conventional structural ceramics, though availability and cost should be verified for production applications.

High-temperature insulationThermal barrier coatingsLightweight structural componentsChemical-resistant liningsResearch and experimental applicationsSpecialty ceramics development

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	23.44	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	11.75	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	2.206	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.4980	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	5.870	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	13.94	-	DFT · OptB88vdW
Magnetic Moment(μB)	3.993	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.3838	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000440	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000287	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-245.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	294.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.03120	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7354	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

KO3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental