DESCRIPCIÓN:
La arena de cromita es una espinela natural que se compone principalmente de óxidos de cromo y hierro. Es un subproducto de la producción de ferrocromo y se utiliza principalmente en aplicaciones de fundición y en la producción de vidrio.
ANÁLISIS QUÍMICO TÍPICO [%] :
| Cr2O3 | SiO2 | FeO | Alto | MgO | Al2O3 | PAG | S | cromo/ferro |
| ≥46,0 | ≤1,0% | 26.2 | 0.3 | 9.8 | 15.5 | 0,003 | 0,003 | 1.6:1 |
PROPIEDADES FÍSICAS
| LEY | Agua | Polvo | Punto de fusión | Valor de pH |
| ≤0,5% | ≤0,2% | <0,5% | 2150℃ | 7-9 |
PRINCIPALES APLICACIONES:
Arena de cromita en la industria de la fundición
Sus propiedades permiten que el material se utilice en fundiciones de hierro gris y acero de alto rendimiento como núcleo y molde.
Fabricación de arena. Su alta conductividad térmica le confiere buenas propiedades de enfriamiento, su baja expansión térmica da lugar a una buena estabilidad dimensional. Su basicidad, cercana a la neutralidad, permite el uso de una amplia gama de resinas.
sistemas de unión y aglutinantes inorgánicos, presenta una alta refractariedad y una amplia distribución de tamices.
Arena de cromita en la industria siderúrgica
En la producción de acero, la arena de cromita se utiliza también como relleno para proteger las compuertas corredizas en grandes cucharas de retención de acero.
Arena de cromita en la industria del vidrio
Cuando se muele hasta obtener una harina fina, la arena de cromita se utiliza para la producción de envases de bebidas de vidrio ecológico.
TAMAÑOS DE PRODUCCIÓN DISPONIBLES
AFS15-25 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS45-50 AFS45-55 AFS50-55 AFS55-60 AFS60-70 MALLA 200 MALLA 325 MALLA 400
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