Ca4Al6SO16
ceramic· JVASP-49181· Ca4Al6SO16
Ca₄Al₆SO₁₆ is a calcium aluminate sulfate ceramic compound belonging to the family of ettringite-related phases, which are important hydrated sulfate minerals. This material is primarily investigated in cement chemistry and concrete science, where it forms as a hydration product in Portland cement systems and influences early-age strength development and durability characteristics. Engineers consider this phase when designing high-performance concrete, sulfate-resistant formulations, and understanding cement hydration mechanisms, as it plays a critical role in controlling setting time, volume stability, and long-term resistance to external sulfate attack.
cement hydration productsconcrete durabilitysulfate resistanceconstruction materialsmaterials characterization
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.09588 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.914 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -139.3 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04060 | eV/atom | — | ||
Formation Energy(ΔHf) | -3.070 | 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.