KAlSi3O8 — Properties & Data | MatWorld

KAlSi3O8

ceramic

· JVASP-144185· KAlSi3O8

Potassium feldspar (orthoclase), a common aluminosilicate ceramic mineral with the formula KAlSi3O8. This naturally occurring compound is one of the most abundant minerals in Earth's crust and serves as a primary constituent in engineered ceramic and glass formulations. Engineers select feldspar-based ceramics for their chemical stability, low thermal expansion, and cost-effectiveness in high-volume applications; it functions both as a primary phase and as a flux to lower sintering temperatures in whiteware bodies and glass manufacture.

ceramic tableware and whitewaresglass manufacturing (soda-lime-silica)refractory componentsporcelain insulatorstile and sanitary warefiller in polymers and coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09104	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.784	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.965	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.

KAlSi3O8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental