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Chromite Sand for the foundry industry

Chromite sand is used as a highly fireproof sharpener for moulds and cores. Originally from South Africa (SAMANCOR). The sand is produced by crushing chrome ore and its washing in spiral concentrators, subsequent drying, dust cleaning, screening and sorting as per grain size.

325-3

AFS 30-35.jpg

Physical and chemical properties:

Item

Unit

Index

Cr2O3

%

46.0min

SiO2

%

1.0max

FeO

%

26.5max

CaO

%

0.30max

MgO

%

10.0max

Al2O3

%

15.5max

P

%

0.003max

S

%

0.003max

Cr/Fe

/

1.55:1

Bulk Density

g/cm3

2.5-3

Color

/

Black

PH

/

7-9

The amount of the acid

/

2ML(MAX)

Percent Soil

%

0.1max

Percent Moisture

%

0.1max

The Sintered

1600

Percentage of Free Acid Present in the Sand

%

0

Filling Density

g/cm3

2.6

Sintering Point

1800min

Melting Temperature

2180

Chromite sand is used as a highly fireproof sharpener for moulds and cores. Originally from South Africa (SAMANCOR). The sand is produced by crushing chrome ore and its washing in spiral concentrators, subsequent drying, dust cleaning, screening and sorting as per grain size.

 

Available Size: AFS35-40, AFS40-45, AFS45-50, AFS50-55, AFS55-60, AFS60-65 

PACKING:

packing-3

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