CaMg(CO3)2

ceramic

· CaMg(CO3)2

CaMg(CO₃)₂, known as dolomite, is a naturally occurring carbonate ceramic composed of calcium magnesium carbonate in a 1:1 molar ratio. It is a brittle, white to light-colored mineral that can be processed into powders, refractories, or sintered bodies for industrial applications. Dolomite is widely used in metallurgy (as a refractory lining in furnaces and converters), construction aggregates, soil amendment, and mineral fillers due to its thermal stability, chemical inertness, and abundance. Engineers select dolomite refractories for high-temperature applications in steel and non-ferrous metal production where resistance to slag corrosion and thermal shock is critical; it offers cost advantages over some alumina or magnesia alternatives while providing adequate performance in moderately aggressive environments.

refractory liningssteel furnace protectionhigh-temperature ceramicsmineral filler and aggregatelimestone substituteslag resistance applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Dielectric Constant (Relative Permittivity)(εr)	5.362 range 2.810–7.914median of 2 measurements	-	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.399	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.

CaMg(CO3)2

Electrical Properties

Other Properties

Regulatory Screening

Environmental