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)	2.587	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	5.009	eV	—
Seebeck Coefficient(S)	-105.9	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-2.854	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.

K2Be2Si3O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental