ErThRe4

ceramic

· JVASP-141994· ErThRe4

ErThRe4 is a rare-earth ceramic compound containing erbium (Er), thorium (Th), and rhenium (Re) in an unspecified stoichiometry. This material belongs to the family of high-density rare-earth ceramics and appears to be a research or specialized composition rather than a commercial standard, likely investigated for applications requiring extreme thermal or chemical stability combined with metallic-density characteristics.

High-temperature structural ceramicsNuclear or radiation shieldingAdvanced refractory applicationsResearch and developmentSpecialty aerospace componentsDense ceramic composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	16.41	kg/m³	—

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)	0.01330	eV/atom	—
Formation Energy(ΔHf)	-0.2165	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.

ErThRe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental