325mesh 400mesh chromite sand powder from china

Chromite powder use as colorant in glass bottle fields. 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
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

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