The Production Process of South Africa Chromite Sand:
Step1: chrome ore raw material is processed by water washing.
Step2, drying raw materials to remove water;
Step3, drying raw materials into the vibrating screen, screening out the size of the customer needs;
Step4, the size of the sieve for magnetic separation, the purpose of iron and silicon removal. After magnetic separation, the chromium content reached more than 46% and the silicon content was less than 1%.
Step5: package the finished product.
Physical and chemical index of South Africa Chromite Sand:
| Physics | Index | Chemistry | Index |
| Bulk Density | 2.5-3g/cm³ | Cr2O3 | ≥46.0% |
| PH Value | 7-9 | SiO2 | ≤1.0% |
| Cr/Fe | 1.55:1 | Fe2O3 | ≤26.5% |
| Filling Density | 2.6 g/cm³ | CaO | ≤0.30% |
| Percent Moisture | ≤0.1 | MgO | ≤10% |
| The sintered | 1600°C | AI2O3 | ≤15.5% |
| Sintering Temperature | 2180°C | P | ≤0.003% |
| Melting Point | >1800°C | C | ≤0.003% |
| Regular size | |||
| AFS 25-35 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS45-50 AFS50-55 AFS55-60 AFS60-65 | |||
South Africa Chromite Sand Has the Following Properties:
- Melting point of 2150°C
- Good thermal conductivity
- Good resistance to thermal shock
- Excellent resistance to metal penetration or burn-on
- Resists slag attack
- High dimensional stability
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