- Volatile exclusion
- Specific reduction resistance
- Fixed geometry
- Binder coking
- Full shrinkage volume
The electrode roasting process is mainly carried out in the ring roasting furnace.
- Reduce product porosity
- Increase the density of
- Increase compressive strength
- Reduce the resistivity of finished products
- Change the physical and chemical properties of the product
The calcined product was impregnated and then calcined again to carbonize the asphalt. Electrode and joint blank with high volume density should be calcined twice, and some of them should be calcined three times four times or two times three times.