South African Chromite Sand 200mesh 325mesh used for high temperature coatings
China [CN] South African Chromite Sand 200mesh 325mesh used for high temperature coatings
High chromite stuffing sand is mainly made up of imported high pure chromite sand with reasonable particle size distribution, and suit for LF, VD,RH and other refining process.
Economicl sand used in casting industry
|
Item |
Unit |
Index |
|
Cr2O3 |
% |
≥46.0% |
|
SiO2 |
% |
≤1.0% |
|
FeO |
% |
≤26.5% |
|
CaO |
% |
≤0.30% |
|
MgO |
% |
≤10.0% |
|
Al2O3 |
% |
≤15.5% |
|
P |
% |
≤0.003% |
|
S |
% |
≤0.003% |
|
Cr/Fe |
|
1.55:1 |
|
Bulk Density |
g/cm³ |
2.5-3 |
|
Color |
/ |
Black |
|
PH |
/ |
7-9 |
|
The amount of the acid |
/ |
≤ 2 ML |
|
Percent soil |
% |
≤0.1 |
|
Percent Moisture |
% |
≤0.1 |
|
The sintered |
℃ |
1600 |
|
Percentage of free acid present in the sand |
% |
0 |
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