Abrasivos de corindón de cromo rosa
El corindón de cromo rosa se fusiona eléctricamente a alta temperatura y se le añade la cantidad adecuada de cromo oxidado. Es rosa. Su dureza es cercana, pero mayor que la del WA. Las herramientas abrasivas fabricadas con él se caracterizan por una excelente durabilidad y una alta limpieza de procesamiento, que son adecuadas para el rectificado de precisión de peajes de medición, ejes principales de tornos, piezas de instrumentos y aparatos, piezas de roscado y muestreadores, etc.
Composición química
rango de tamaño de grano | Bajo en cromo | Cromo medio | Alto cromo | ||||||
Al2O3 | Cr2O3 | Na2O | Al2O3 | Cr2O3 | Na2O | Al2O3 | Cr2O3 | Na2O | |
F12-F80 | ≥98,50 | 0,20-0,45 | ≤0,50 | ≥98,20 | >0,45-1,00 | ≤0,55 | ≥97,40 | >1,00-2,00 | ≤0,55 |
F90-F150 | ≥98,50 | ≤0,55 | ≥98,20 | ≤0,60 | ≥97.00 | ≤0,60 | |||
F180-F220 | ≥98.00 | ≤0,60 | ≥97,80 | ≤0,70 | ≥96,50 | ≤0,70 | |||
Propiedad fisica
Minerales básicos | Tamaño del cristal | Densidad real | Densidad aparente | Dureza del botón |
α-AL2O3 | 600-2000 | ≥3,90 | 1,40-1,95 | 2200-2300 |
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