Foundry chromite sand （origin：south africa）
The chromite sand is a product of south africa natural chromite ore after crushing and sieving, and its main chemical composition is Cr2O3.
Chromite sandspecification is as follows:
Origin：south africa
|
Item |
Index |
|
Cr2O3 |
≥46.0% |
|
SiO2 |
≤1.0% |
|
FeO |
≤26.5% |
|
CaO |
≤0.30% |
|
MgO |
≤10.0% |
|
Al2O3 |
≤15.5% |
|
P |
≤0.003% |
|
S |
≤0.003% |
|
Cr/Fe |
|
|
Bulk Density |
|
|
Color |
Black |
|
PH |
7-9 |
|
The amount of the acid |
≤ 2 ML |
|
Percent soil |
≤0.1% |
|
Percent Moisture |
≤0.1% |
|
The sintered |
1600℃ |
|
Percentage of free acid present in the sand |
0 |
|
filling density |
|
|
sintering point |
> 1800°C |
|
melting temperature |
2180°C |
|
Regular size |
|
|
AFS25-35 AFS30-35 AFS35-40 AFS40-45 AFS45-55 AFS50-55 AFS55-60 AFS60-65 AFS60-70 |
|
Packing:1MT big bag
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