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Physical and Chemical Index

Item

Unit

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

g/cm3

2.5-3

Color

/

Black

PH

/

7-9

The amount of the acid

/

2 ML

Percent soil

%

0.1

The sintered

°C

1600

Percentage of free acid present in the sand

%

0

filling density

g/cm3

2.6

sintering point

°C

> 1,800

melting temperature

°C

2,180

PACKING:

1MT big bag

SIZES:

AFS35-40 AFS40-45 AFS45-50 AFS50-55 AFS55-60 AFS60-65


Chrome ore sand ,Its main chemical composition is Cr2O3, This kind of sand heating volume is stable , High thermal conductivity , sand molten metal contact , not only has a good  alkali slag resistance , not with iron oxide and other chemical reaction , and itself has the characteristics of solid phase sintering , can well prevent the penetration of molten metal , avoid sand defects , suitable for all kinds of stainless steel , Alloy steel and carbon steel gradually modeling core sand and paint .


Chromite sand , Is a special kind of sand for casting , It is a natural spinel mainly composed of chromite ,It is crushed , ground and screened into specified grain size , which is suitable for molding (core-making ) sand

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