Le minerai de chromite coulé est de la chromite naturelle obtenue par concassage et criblage et d’autres produits de traitement, la composition chimique principale du minerai de chrome est CR2O3, ce sable est un volume chauffé stable, une conductivité thermique élevée et un contact avec le métal en fusion, a non seulement une bonne résistance aux scories alcalines, ne réagit pas chimiquement avec l’oxyde de fer, etc., mais présente également les caractéristiques du frittage en phase solide, peut bien empêcher la pénétration du métal en fusion, éviter les défauts de sable, convient à une variété d’acier inoxydable, d’acier allié et d’acier au carbone façonnent progressivement le noyau du sable brut et des revêtements.
Utilisation du minerai de chromite
Convient pour le drainage des matières premières de sable, la coulée, la céramique, le verre et les matériaux réfractaires. Types applicables de minerai de chromite : qualité de coulée spéciale, qualité métallurgique spéciale. Le minerai de chrome est principalement utilisé dans la production de moulage pour le sable de face des grandes pièces moulées en acier afin d’empêcher le sable de coller à la surface des pièces moulées ; Deuxièmement, sa poudre de broyage est utilisée pour les agrégats réfractaires pour les revêtements de coulée, et le minerai de chrome est un matériau de trempe, qui peut remplacer une partie du fer froid dans le moulage (fabrication de noyaux). Le minerai de chromite convient aux revêtements de fonderie, aux réfractaires, aux plaquettes de frein automobiles, aux matériaux céramiques hautes performances, aux colorants pour céramique et verre, aux matériaux de friction, à l’industrie chimique et à la coulée métallurgique et à d’autres domaines.
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