AlO3

ceramic

· JVASP-18899· AlO3

Aluminum oxide (Al₂O₃), commonly known as alumina, is a hard ceramic compound widely used in engineering applications where wear resistance, electrical insulation, and thermal stability are critical. It is the primary constituent of corundum and serves as the base material for abrasives, refractories, and advanced ceramics across aerospace, electronics, and manufacturing industries. Engineers select alumina for its exceptional hardness, chemical inertness, and ability to maintain performance at high temperatures, making it a preferred choice over softer ceramics and polymers in demanding structural and functional applications.

abrasive grains and grinding wheelshigh-temperature refractorieselectrical insulators and substrateswear-resistant coatingsbiomedical implantscatalyst supports

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	101.6	GPa	—
Shear Modulus(G)	-7.470	GPa	—

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.451	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	6.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.8118	eV/atom	—
Formation Energy(ΔHf)	-1.263	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.

AlO3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental