C3S

ceramic

· JVASP-124888· C3S

C3S (tricalcium silicate, 3CaO·SiO₂) is a calcium silicate ceramic compound and the primary active phase in Portland cement clinker. It hydrates to form the calcium silicate hydrate (C-S-H) gel that provides much of the early strength development and long-term durability in Portland cement-based binders. This material is fundamental to concrete production and is notable for its rapid early hydration kinetics and strength gain, making it the predominant driver of concrete performance in the first weeks of curing.

Portland cement formulationConcrete strength developmentInfrastructure and constructionBinder systems engineeringCementitious compositesEarly-age hydration studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09436	lb/in³	—

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

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

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.670	eV/atom	—
Formation Energy(ΔHf)	1.663	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.

C3S

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental