Spanish company specialized on calcining, milling and classifying refractory raw materials. Among others we provide the following raw materials: - Chamotte- Lightweight chamotte- Metakaolin- Expanded clay Arexpan- Concrete setting accelerant- Bauxite- Mullite (up to 78% Al2O3)- Refractory cement (40, 50 and 70%)- Brown and white fused alumina- Graphite (amorphous, flake, expandable, recarburant)- Death burned magnesite and fused magnesite- Microsilica- Kyanite- Copper slag- Aluminium silicate- Chrome corundum- Silicon carbide