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| Brandhaixu | Valid untillong term effective | Latest update2018-08-27 09:35 |
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Chromite sand foundry
Physical and Chemical index
|
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 |
|
filling density |
g/cm³ |
2.6 |
|
sintering point |
°C |
> 1,800 |
|
melting temperature |
°C |
2,180 |
Packing:1MT big bag
