K2Be2Si

ceramic

· JVASP-71608· K2Be2Si

K2Be2Si is a beryllium-containing silicate ceramic compound combining potassium, beryllium, and silicon oxides. This material is primarily of research and specialized industrial interest rather than a commodity ceramic, valued in applications requiring low density combined with thermal or chemical stability. The beryllium constituent makes it relevant to aerospace, nuclear, and optical applications where weight reduction and thermal properties are critical, though its use is limited by beryllium's toxicity concerns and cost, making it suitable primarily for high-performance niche applications rather than general engineering.

aerospace thermal protectionnuclear moderator materialsoptical windows and opticslightweight structural compositesresearch/specialty ceramicshigh-temperature applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.07088	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.5489	eV/atom	—
Formation Energy(ΔHf)	0.5445	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.

K2Be2Si

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental