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