South Africa Chromite Foundry Sand supplier
SIZES:AFS20-25 AFS25-30 AFS30-35Β AFS35-40Β Β AFS40-45Β Β AFS45-50Β Β AFS50-55Β Β AFS55-60Β Β AFS60-65
Chemcial index for Chromium Sand:
| Item |
Unit |
Index |
| Cr2O3 |
% |
β₯46.0% |
| SiO2 |
% |
β€1.0% |
| FeO |
% |
β€26.5% |
| CaO |
% |
β€0.30% |
| MgO |
% |
β€10.0% |
| Al2O3 |
% |
β€15.5% |
| P |
% |
β€0.003% |
| S |
% |
β€0.003% |
Physical index for Chromium Sand:
| Bulk Density |
g/cmΒ³ |
2.5-3 |
| Color |
/ |
Black |
| PH |
/ |
7-9 |
| The amount of the acid |
/ |
β€ 2 ML |
| Percent soil |
% |
β€0.1 |
| Percent Moisture |
% |
β€0.1 |
| The sintered |
β |
1600 |
| Percentage of free acid present in the sand |
% |
0 |
| filling density |
g/cmΒ³ |
2.6 |
| sintering point |
Β°C |
> 1,800 |
| melting temperature |
Β°C |
2,180 |
