Magnesium Carbonate
- CAS Number: 546-93-0
- (MgCO₃)
Description
Uses and Applications
Magnesium carbonate, or magnesite, is used in the manufacture of refractory bricks for the steel industry, where the magnesium oxide obtained on calcination resists attack by basic slags. It is also used in the glass and ceramic industries, where it acts as a high-temperature flux and as a matting agent in glazes. It further finds application in chemical industry formulations and as a mineral filler in compositions requiring an addition of magnesium.
Packaging and Logistics
We supply magnesium carbonate in big bags, supported by agile logistics to facilitate its integration into processes already validated by our customers.
- Benefits
Why choose PILATO as a supplier?
Partnering with PILATO means working with a supplier that has knowledge of the industrial environment and strong logistics capabilities. Our business focuses on offering:
Immediate availability
Immediate availability from our logistics facilities in Spain.
Compliance with Technical Requirements
Compliance with the technical requirements typically requested by our clients
Personalized service
Local presence and personalized service to coordinate deliveries and address sales-related questions.
Commitment
Commitment to traceability, consistency across batches, and a stable supply.
- Frequently Asked Questions
Frequently Asked Questions About the Magnesium Carbonate
Is magnesium carbonate the same as magnesite?
Is magnesium carbonate the same as magnesite?
Yes. Magnesite is the name of the natural mineral whose composition is magnesium carbonate (MgCO₃). In industry both terms are used for the same material, and they share the same CAS number.
Why is it used in refractories for the steel industry?
Why is it used in refractories for the steel industry?
On calcination, magnesium carbonate releases CO₂ and produces magnesium oxide, a material with a very high melting point and basic character. That basic character is what allows it to resist attack by steelmaking slags, which would degrade an acidic lining.
What is its role in a ceramic glaze?
What is its role in a ceramic glaze?
It acts as a flux in the upper temperature range and takes part in controlling the coefficient of thermal expansion of the glaze. In certain compositions it is used to achieve matt finishes, since it promotes crystallisation of the coating during cooling.
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