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Chromite sand
Chromite sand is a naturally occurring spinel consisting primarily of the oxides of chrome and iron. It is a by-product of ferro-chrome production and is mainly used in foundry applications and in glass production.
Origin: South Africa
1CHEMICAL&PHYSICAL PROPERTIES
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 |
1.55:1 |
Bulk Density |
2.5-3g/cm3 |
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 |
2.6g/cm3 |
sintering point |
> 1,800℃ |
melting temperature |
2,180℃ |
AVAILABLE SIZES: 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 200mesh 325mesh 400mesh etc
MAINLY APPLICATIONS:
Chromite Sand in the foundry industry
Its properties enable the material to be used in high duty grey iron and steel foundries as core and mould making sand. Its high thermal conductivity gives it good chilling properties, low thermal expansion gives rise to good dimensional stability. Its basicity being close to neutral allows the use of a wide range of resin bonding systems and inorganic binders, it has a high refractoriness and a broad sieve distribution.
Chromite Sand in the steel industry
In steel production, Chromite Sand is used as well filler for protection of the sliding gate in large steel holding ladles.
Chromite Sand in the glass industry
When ground to a fine flour, Chromite Sand is used for the production of green glass beverage containers.
PACKAGING: 1mt big bag
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