Calcination - Expansion

In its two rotary kilns, ARCIRESA its production of chamotte, expanded clay, lightweight chamotte, bauxite, mullite...Our production capacity for calcined products surpasses 100.000 tons/year. Ongoing quality control ensures the suitability of the calcined product.


Arciresa makes use of the most modern and efficient milling technologies.

Fine grain sizes are achieved with ball crushers which produce fineness level below 50 microns.

Hammer mills are used for grinding softer clays and kaolins. All production processes are equipped with high- intensity electromagnets. There is a complete separation between basic and alumina materials in order to avoid possible contamination.


Bulk materials, materials packaged in big bags or in sacks and palletized are shipped via boat, container or truck, depending on the client's needs.