K2ZrSi3O9

ceramic

· JVASP-21391· K2ZrSi3O9

K2ZrSi3O9 is a potassium zirconium silicate ceramic compound belonging to the family of zircosilicate ceramics. This material is primarily investigated in research and advanced applications for its thermal stability and refractory properties, particularly where zirconium-bearing ceramics are needed to withstand high temperatures or aggressive chemical environments. It represents a composition balance between alkali-containing silicates and zirconium oxides, making it relevant for specialized refractory, glass, or ceramic matrix composite applications where conventional silicates alone are insufficient.

refractory materialshigh-temperature ceramicszirconium-based compositesresearch/experimental compoundsnuclear fuel cladding support materialsadvanced ceramic chemistry

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1105	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	5.129	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.946	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00133	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000559	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-295.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	447.3	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.991	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.

K2ZrSi3O9 — Properties & Data | MatWorld

K2ZrSi3O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental