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The carbon electrode of our company is made up of the calcined stone tar, low-sulfur coal tar, the artificial graphite grain of kneading extrusion.
Size: Φ60mm*680mm ，Φ70mm*210mm,The size can be produced by customer requirements.
Composition and physical and chemical data are as follows
| Name | Unit | Guaranteed value |
| Content | % | Carbon≥99% |
| Bulk density | g/cm3 | ≥1.60 |
| Maximum size | mm | 0.5 |
| Resistivity | µΩm | ≤10 |
| Flexural strength | MPa | 15 |
| Compressive strength | MPa | 25 |
| Thermal expansion coefficient | 10-6/℃ | ≤2.9 |
| Ash | ppm | ≤50 |
| Porosity | % | 22 |
