Al2SiO5

ceramic
· Al2SiO5

Al2SiO5 is an alumina-silicate ceramic compound that exists in three polymorphic forms (sillimanite, kyanite, and andalusite), each with distinct crystal structures and property profiles. This material is valued in high-temperature and wear-resistant applications due to its thermal stability, hardness, and chemical inertness. The polymorphic variants allow engineers to select the form best suited to specific processing conditions and service environments, making Al2SiO5 a versatile choice for demanding thermal and mechanical applications where cost-effectiveness matters relative to pure alumina.

refractory linings and kiln furnitureabrasive grinding mediahigh-temperature ceramic compositeselectrical insulation at elevated temperaturefoundry mold and core bindersporcelain and advanced ceramics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
Pa
Pa
Poisson's Ratio(ν)
-
Shear Modulus(G)2 entries
Pa
Pa
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Seebeck Coefficient(S)
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)2 entries
eV/atom
eV/atom
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.
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.