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Chromite sand buy in Zhengzhou
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Chromite sand

Chromite sand

In stock
Price:
2228.87 CNY
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China, Zhengzhou
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Description

Chromite Sand origin South Africa.

We are chromite sand manufacturer, we import chrome ore from south africa , then crushing and sieving in lianyungang china

Chromite Sand is a naturally occurring mineral consisting primarily of the oxides of chrome and iron. Its properties enable the material to be used in high duty grey iron and steel foundries as a core and mould making sand. Its high thermal conductivity gives it good chilling properties whilst its 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.

 

Chromite sand advantages:

Good thermal conductivity

Good resistance to thermal shock

Excellent resistance to metal penetration or burn - on

Resists slag attack

High dimensional stability

Chromite sand physical - chemical index

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

1.55: 1

Bulk Density

2.5 - 3

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

> 1800°C

melting temperature

 2180°C

Avaliable sizes

AFS25 - 35 AFS30 - 35 AFS35 - 40 AFS40 - 45 AFS45 - 50 AFS45 - 55 AFS50 - 55 AFS55 - 60 AFS60 - 65 AFS60 - 70

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