Chrome ore sand for sand moulding
Chrome ore sand for sand moulding, Originally from South Africa ,is a special kind of sand for casting , chromite sand is a natural spinel mainly composed of chromite , Chrome ore sand for sand moulding used as a highly fireproof sharpener for moulds and cores.
Product Parameters
CHEMICAL
PHYSICAL
Cr2O3
46.0%min
Bulk Density
2.5-3g/cm3
SiO2
1.0%max
PH Value
7-9
FeO
26.5%max
The amount of the acid
2ML max
CaO
0.3%max
Percent soil
0.1%max
MgO
10.0%max
Percent Moisture
0.1%max
Al2O3
15.5%max
The sintered
1600℃
P
0.003%max
Specific Gravity
4.0-4.8g/cm3
S
0.003%max
Filling Density
2.6g/cm3
Cr/Fe
1.55/1
melting temperature
2180°C
Regular size
AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS45-50 AFS 50-55 AFS55-60 AFS55-65
Application
