K2Be2Si3O9

ceramic

· JVASP-25643· K2Be2Si3O9

K2Be2Si3O9 is a beryllium silicate ceramic compound belonging to the family of lightweight oxide ceramics. This material is primarily of research and specialized industrial interest, valued in applications requiring the combination of low density, thermal stability, and optical clarity that beryllium silicates can provide. Engineers select beryllium silicates for demanding environments where weight reduction and thermal performance are critical, though handling and manufacturing require careful attention to beryllium safety protocols.

High-temperature insulationOptical/transparency applicationsAerospace componentsResearch ceramicsThermal management systemsSpecialized refractory materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09346	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	5.009	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000654	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000220	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-105.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	409.2	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)	-2.854	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.

K2Be2Si3O9 — Properties & Data | MatWorld

K2Be2Si3O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental