ZrO2 — Properties & Data | MatWorld

ZrO2

ceramic

· ZrO2

Zirconia (ZrO₂) is a high-performance ceramic material prized for its exceptional hardness, thermal stability, and resistance to thermal shock and chemical corrosion. It is widely used in demanding applications requiring materials that maintain structural integrity at elevated temperatures and in harsh chemical environments, making it a preferred choice where traditional metals or silicate ceramics fall short.

dental implants and crownsthermal barrier coatingsrefractory kiln linersoxygen sensors and electrochemical cellscutting tool insertswear-resistant mechanical seals

Compliance & Regulations

?ISO 10993?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)3 entries	26,549.3	ksi	—
↳	24,459.2	ksi	—
↳	25,928.4	ksi	—
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	—
Elastic Anisotropy(AU)	0.4511	-	—
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	—
Poisson's Ratio(ν)2 entries	0.2997	-	—
↳	0.4000	-	—
Shear Modulus(G)3 entries	12,276.3	ksi	—
↳	6,964.5	ksi	—
↳	6,770.4	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, or test environment.

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

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)	1.040	BTU/(hr·ft·°F)	—

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1690	lb/in³	—

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Property	Value	Unit	Conditions	Source
Band Gap(Eg)2 entries	4.990	eV	—
↳	3.914	eV	—
Dielectric Constant (Relative Permittivity)(εr)2 entries	21.28	-	—
↳	23.37 range 5.814–40.92median of 2 measurements	-	—
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	—
Total Dielectric Tensor(ε)	Matrix (redacted)	-	—
Magnetic Moment(μB)	0.000	µB	—
Piezoelectric Modulus(eij)	1.235	C/m²	—
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	—
Seebeck Coefficient(S)	-301	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, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.06130	eV/atom	—
Formation Energy(ΔHf)2 entries	-3.791	eV/atom	—
↳	-3.642	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, or test environment.

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

Regulatory Screening

Environmental

Safety & Biocompatibility

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.