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After a series of tests, our products will be delivered to customers to provide them with quality assurance.
Products with different contents, different standards and customized specifications. They can all be customized in our factory.
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High Purity Electrical Conductivity Graphite Electrode Rod Graphite Bar For Electrolysis
| Nomina diameter | RP | HP | UHP | ||||
| Current Carrying Capacity | Current Density | Current Carrying Capacity | Current Density | Current Carrying Capacity | Current Density | ||
| in | mm | A | A/cm2 | A | A/cm2 | A | A/cm2 |
| 12 | 300 | 10000-13000 | 14-18 | 13000-17400 | 17-24 | 15000-22000 | 20-30 |
| 14 | 350 | 13500-18000 | 14-18 | 17400-24000 | 17-24 | 20000-30000 | 20-30 |
| 16 | 400 | 18000-23500 | 14-18 | 21000-31000 | 16-24 | 25000-40000 | 19-30 |
| 18 | 450 | 22000-27000 | 13-17 | 25000-40000 | 15-24 | 32000-45000 | 19-27 |
| 20 | 500 | 25000-32000 | 13-16 | 30000-48000 | 15-24 | 38000-55000 | 18-27 |
| 22 | 550 | 32000-40000 | 13-16 | 35000-55000 | 14-22 | 42000-64000 | 17-26 |
| 24 | 600 | 35000-41000 | 13-15 | 41000-61000 | 14-21 | 50000-73000 | 17-25 |
| 28 | 700 | 39000-48000 | 10-12 | 55000-82000 | 14-21 | 67000-99000 | 17-25 |
| 32 | 800 | 43000-54000 | 8-10 | / | / | / | / |
What are the manufacturing steps of graphite electrodes?
What Are the Manufacturing Steps of Graphite Electrodes?
The manufacturing process of graphite electrodes primarily includes raw material selection, batching, kneading, molding, roasting, and graphitization.
Raw material selection:
This is the first step in manufacturing graphite electrodes. The main raw materials are petroleum coke and pitch coke. The quality of these raw materials directly impacts the performance and final quality of the graphite electrodes.
Batching:
The selected raw materials are mixed in specific proportions to achieve the desired performance. This process requires precise measurement and control to ensure the consistent performance of the graphite electrodes.
Kneading:
The batched raw materials are mixed and kneaded to form a uniform mixture. The kneading process significantly influences the uniformity and density of the graphite electrodes.
Molding:
The kneaded mixture is pressed to form the preliminary shape of the graphite electrode. This step requires precise control of pressure and temperature to ensure the accuracy of the electrode's shape and dimensions.
Roasting:
The molded graphite electrode undergoes high-temperature heat treatment to stabilize its structure. The roasting process requires careful control of temperature and time to ensure the electrode's performance and quality.
Graphitization:
The roasted graphite electrode is subjected to extremely high temperatures to enhance its graphitization and improve its performance. This process involves prolonged high-temperature treatment and is the most critical step in the manufacture of graphite electrodes.






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