Chromitpulver 800mesh D50 3-5UM feines Pulver für die Glasindustrie
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.
Herkunft: Südafrika
- P CHEMISCH-PHYSIKALISCHE EIGENSCHAFTEN
| Cr2O3 | ≥46,0 % |
| SiO 2 | ≤ 1,0 % |
| FeO | ≤26,5 % |
| Hoch | ≤ 0,30 % |
| MgO | ≤10,0 % |
| Al2O3 | ≤15,5 % |
| P | ≤ 0,003 % |
| S | ≤ 0,003 % |
| Cr/Fe | 1,55:1 |
| Schüttdichte | 2,5-3 g/ cm³ |
| Farbe | Schwarz |
| PH | 7-9 |
| Die Menge der Säure | ≤ 2 ml |
| Prozent Boden | ≤0,1 |
| Prozent Feuchtigkeit | ≤0,1 |
| Die gesinterten | 1600℃ |
| Prozentsatz der im Sand vorhandenen freien Säure | 0 |
| Fülldichte | 2,6 g/ cm³ |
| Sinterpunkt | > 1.800℃ |
| Schmelztemperatur | 2.180 °C |
VERFÜGBARE GRÖSSEN: 0-1mm 1-3mm AFS 25-35 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS40-50 AFS45-55
AFS45-50 AFS50-55 AFS55-60 AFS60-65 200 Maschen 325 Maschen 400 Maschen usw.
HAUPTANWENDUNGEN:
Chromitsand in der Gießereiindustrie
Seine Eigenschaften ermöglichen den Einsatz des Materials in Hochleistungsgießereien für Grauguss und Stahl als Kern- und Formsand . Seine hohe Wärmeleitfähigkeit verleiht ihm gute Kühleigenschaften, die geringe Wärmeausdehnung führt zu einer guten Dimensionsstabilität. Seine nahezu neutrale Basizität ermöglicht den Einsatz einer breiten Palette von Harzbindesystemen und anorganischen Bindemitteln, es hat 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.
VERPACKUNG: 1m Big Bag
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