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Foundry Chromite SandUS$ 550 - 690MOQ: 20 Metric Tons -
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China Chromite Sand supplier
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.
PHYSICAL PROPERTIES(TYPICAL) AVERAGE CHEMICAL COMPOSITION(TYPICAL)
PH 7-9 Cr2O3 ≥46.0%
Color Black SiO2 ≤1.0%
Acid Amount ≤2ml Fe2O3 ≤26.5%
Soil% ≤0.1 CaO ≤0.30%
Bulk Density 2.5-3.0g/cm3 MgO ≤10.0%
Specific Gravity 4.0-4.8g/cm3 Al2O3 ≤15.5%
Moisture ≤0.1% P ≤0.003%
Sintered temperature ≥1800℃ S ≤0.003%
Free Acid 0 Cr/Fe 1.55:1
Filling density 2.6g/cm3
Melting temperature ≥2180℃
MAIN 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.
USUAL PRODUCTION SIZES
AFS15-25 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS45-50 AFS45-55 AFS55-60 AFS60-70 200MESH 325MESH 380MESH 400MESH
PACKAGING:1MT big bag
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