| Fe: | 90%Min |
| Vm: | 3.0%Max |
| Sulphur: | 0.2% Max |
| Phos: | 0.02%Max |
| Size: | 1-5 mm |
| Used For | Foundry, Casting |
| Size | 1.20 - 2.80 mm |
| Chemical Composition (+/-10%) | |
| Na2O | 3.43% |
| MgO | 0.13% |
| AI2O3 | 12.75% |
| SiO2 | 73% |
| K2O | 5.27% |
| CaO | 0.90% |
| TiO2 | 0.10% |
| Fe2O3 | 1% |
| LOI | 3-3.5% |
| Physical Properties | |
| Rock Structures | Classiacl Perlite |
| Colour | Light Grey |
| Bulk Density | 1000-1200 Kg/M3 |
| Moisture | 1% Max |
| Ph | 6 - 8.5 |
| For Temperature | 700 -1000 Degree C |
Marketing agent of Ferro Silicon produced by Bhutan Ferro Alloys Limited and Bhutan Silicon Metal Private Limited.
