Product Description
South africa chrome ore foundry sand
South africa chrome ore foundry sand use as a highly fireproof sharpener for moulds and cores. Originally from South Africa. The foundry 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 composition
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
Packing
1MT BIG BAG
with 4 handles and top spout
1MT BIG BAG
with 4 handles,top spout and buttom spout
1MT BIG BAG
with 2 handles and top spout