K4 Al4 O8 — Properties & Data | MatWorld

K4 Al4 O8

ceramic

· K4 Al4 O8

K4Al4O8 is an aluminate ceramic compound belonging to the family of potassium aluminates, which are typically used as binders, refractories, and functional ceramics in high-temperature applications. This material combines aluminum oxide with potassium, creating a compound notable for its thermal stability and potential use in environments requiring chemical resistance and structural integrity at elevated temperatures. While specific industrial prevalence data is limited, potassium aluminate ceramics are valued in refractory systems, cement chemistry, and specialty applications where alkali-stable phases are advantageous over standard alumina.

refractory materialshigh-temperature bindersceramic chemistry researchalkali-resistant applicationsspecialty inorganic compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	80.49	GPa	DFT · OptB88vdW
Shear Modulus(G)	45.89	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.152	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.827	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.

K4 Al4 O8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental