CaCaO3
ceramic· CaCaO3
CaCO3 (calcium carbonate) is a naturally occurring alkaline ceramic compound commonly produced through mining of limestone, chalk, and marble deposits, or synthetically precipitated for specialized applications. It serves as a critical raw material in construction (Portland cement, concrete aggregate), chemical processing (pH neutralization, filler), and manufacturing sectors, valued for its abundance, low cost, and chemical stability. Engineers select CaCO3 when cost-effectiveness and chemical inertness are priorities, though its relatively low hardness and moderate thermal stability limit applications requiring extreme mechanical or thermal performance.
concrete and cement productionchemical filler and extenderpH control and neutralizationmining and aggregateindustrial thermal applicationspharmaceutical and food-grade additives
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | μB | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.