castable material foundry chromite sand
foundry chromite sand size:
AFS20-25 AFS25-30Â AFS30-35Â AFS35-40Â AFS40-50Â AFS40-45Â AFS45-50Â AFS50-55Â AFS55-60Â AFS60-65
Chemcial index for foundry chromite sand:
| Item |
Unit |
Index |
| Cr2O3 |
% |
âĨ46.0% |
| SiO2 |
% |
âĪ1.0% |
| FeO |
% |
âĪ26.5% |
| CaO |
% |
âĪ0.30% |
| MgO |
% |
âĪ10.0% |
| Al2O3 |
% |
âĪ15.5% |
| P |
% |
âĪ0.003% |
| S |
% |
âĪ0.003% |
Physical index for foundry chromite sand:
| Bulk Density |
g/cmÂģ |
2.5-3 |
| Color |
/ |
Black |
| PH |
/ |
7-9 |
| The amount of the acid |
/ |
âĪ 2 ML |
| Percent soil |
% |
âĪ0.1 |
| Percent Moisture |
% |
âĪ0.1 |
| The sintered |
â |
1600 |
| Percentage of free acid present in the sand |
% |
0 |
| filling density |
g/cmÂģ |
2.6 |
| sintering point |
°C |
> 1,800 |
| melting temperature |
°C |
2,180 |
Foundry chromite sand:
