BESCHREIBUNG:
Chromitsand ist ein natürlich vorkommender Spinell, der hauptsächlich aus Chrom- und Eisenoxiden besteht. Er ist ein Nebenprodukt der Ferrochromproduktion und wird hauptsächlich in Gießereien und bei der Glasherstellung verwendet.
TYPISCHE CHEMISCHE ANALYSE [%] :
| Cr2O3 | SiO 2 | FeO | Hoch | MgO | Al2O3 | P | S | Cr/Fe |
| ≥46,0 | ≤ 1,0 % | 26.2 | 0,3 | 9,8 | 15.5 | 0,003 | 0,003 | 1,6 : 1 |
PHYSIKALISCHE EIGENSCHAFTEN
| GESETZ | Wasser | Staub | Schmelzpunkt | PH-Wert |
| ≤ 0,5 % | ≤ 0,2 % | ＜0,5 % | 2150℃ | 7-9 |
HAUPTANWENDUNGEN:
Chromitsand in der Gießereiindustrie
Seine Eigenschaften ermöglichen den Einsatz des Werkstoffes in Hochleistungsgießereien aus Grauguss und Stahl als Kern- und Formwerkstoff
Sand machen. Seine hohe Wärmeleitfähigkeit verleiht ihm gute Kühleigenschaften, die geringe Wärmeausdehnung führt zu einer guten Dimensionsstabilität. Seine Basizität nahe dem Neutralpunkt ermöglicht die Verwendung einer breiten Palette von Harzen
Bindesysteme und anorganische Bindemittel, verfügt über eine hohe Feuerfestigkeit und eine breite Siebverteilung.
Chromitsand in der Stahlindustrie
Bei der Stahlproduktion wird Chromitsand auch als Füllstoff zum Schutz des Schiebers in großen Stahlpfannen verwendet.
Chromitsand in der Glasindustrie
Zu feinem Mehl gemahlen wird Chromitsand zur Herstellung von Getränkebehältern aus Grünglas verwendet.
VERFÜGBARE PRODUKTIONSGRÖSSEN
AFS15-25 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS45-50 AFS45-55 AFS50-55 AFS55-60 AFS60-70 200MESH 325MESH 400MESH
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