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Chromite sand powder application

Chromite sand is used as a highly fireproof sharpener for moulds and cores. Originally from South Africa .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.

Physical and chemical properties:

ItemUnitIndex
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 Densityg/cm32.5-3
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 Densityg/cm32.6
Sintering Point 1800min
Melting Temperature 2180

Available Size: AFS35-40, AFS40-45, AFS45-50, AFS50-55, AFS55-60, 325MESH 400MESH

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