South Africa Chrome Ore High quality Chromite sand

Product Description
South Africa Chrome Ore High quality Chromite sand
Foundry chromite sand for foundry use 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.
Chemical composition
Cr2O3
46.0%min
SiO2
1.0%max
FeO
26.5%max
CaO
0.3%max
MgO
10.0%max
Al2O3
15.5%max
P
0.003%max
S
0.003%max
Cr/Fe
1.55/1
Physical properties
Bulk Density
2.5-3g/cm3
Specific Gravity
4.0-4.8g/cm3
PH Value
7-9
The amount of the acid
2ML max
Percent soil
0.1%max
The sintered
1600℃
Filling Density
2.6g/cm3
melting temperature
2180°C
Products Show

1