F4 Si1

ceramic

· F4 Si1

F4 Si1 is a silicon-based ceramic composite material, likely a silicon carbide or silicon nitride variant with fluorine-doped or fluorine-modified phases. This material class offers thermal stability and mechanical strength suitable for demanding high-temperature and wear-resistant applications. F4 Si1 is found in industrial settings requiring combinations of hardness, thermal shock resistance, and chemical inertness, with potential advantages in applications where standard silicon ceramics may be limited by thermal cycling or reactive environments.

high-temperature engine componentswear-resistant mechanical sealsrefractory kiln furnitureabrasive grinding mediathermal barrier coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	1,784	ksi	—
Shear Modulus(G)	1,140	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	7.850	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.178	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.

F4 Si1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental