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foundry grade CPC carbon raiser
Xingshi Carbon
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Xingshi calcined petroleum coke (CPC) with 98.5% fixed carbon ensures high conductivity and low impurity for aluminum smelting anodes
Reducing production cost!
Raw material selection: Low sulfur petroleum coke (sulfur content<1.5%) is preferred, as excessive sulfur content can affect the
quality of downstream products (such as the purity of electrolytic aluminum).
Calcination process:Cooling and crushing: The calcined coke is cooled by water or air cooling and crushed to the desired particle size
(such as 0-10mm, 10-20mm).
| Parameter | CPC 98 | CPC-99 | CPC-99.5 | Test Method |
| Fixed Carbon | ≥98%/98.5% | ≥99% | ≥99.5% | ASTM D3172 |
| Sulfur Content | ≤0.8% | ≤0.5% | ≤0.3% | ASTM D4239 |
| Ash Content | ≤1.2% | ≤0.8% | ≤0.5% | ASTM D3174 |
| Volatile Matter | ≤0.5% | ≤0.3% | ≤0.2% | ASTM D3175 |
| Moisture | ≤0.5% | ≤0.3% | ≤0.2% | ASTM D3173 |
| Parameter | Value | Test Method |
| Bulk Density | 0.8-1.0 g/cm 3 | ISO 9034 |
| Real Density | 2.05-2.15 g/cm 3 | ASTM D2638 |
| Particle Size | 325mesh- 15mm( Customizable) | ASTM E11 |
| Electrical Resistivity | 500-800 μΩ·m | ASTM D6120 |
