UPb

ceramic

· JVASP-17968· UPb

UPb is a ceramic compound composed of uranium and lead, representing a dense, high-atomic-mass material from the actinide oxide family. This material is primarily of research and specialized industrial interest rather than mainstream engineering application, with potential use in radiation shielding, nuclear fuel applications, or high-density structural components where extreme density and specific nuclear properties are required. Engineers would consider UPb only in niche contexts where its unique combination of density and nuclear characteristics provides advantages over conventional alternatives, such as in nuclear waste containment, radiation attenuation, or specialized metallurgical research.

radiation shieldingnuclear applicationsdense ceramics researchactinide compoundsspecialized high-density materialsnuclear fuel study

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	10,228.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	-0.2200	-	DFT · OptB88vdW
Shear Modulus(G)	1,765.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4924	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	6.211	µB	DFT · OptB88vdW

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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3407	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.3407	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.

UPb — Properties & Data | MatWorld

UPb

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental