Cathode Carbon Block
Cathode carbon blocks are crafted from premium-grade anthracite, coke, and graphite. These blocks serve as cathodes for aluminum electrolysis cells, enduring harsh electrochemical conditions and high temperatures. They play a pivotal role in the production of primary aluminum.
Graphitized Cathode Carbon Block For Aluminium Electrolysis
| General Performance | Reference Performance | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Ash % | Resistivity μΩ·m | Bending Strength MPa | Compressive strength MPa | Apparent Density g/cm3 | True Density g/cm3 | Sodium Expansion Rate % | Coefficient Of Thermal Expansion (25℃ to 300℃) X10-6/K | Young's Modulus GPa | Thermal Conductivity W/(m·K) |
| <= | >= | <= | >= | ||||||
| 0.5 | 12 | 7 | 20 | 1.6 | 2.18 | 0.35 | 3.3 | 2.8 | 120 |
Graphitiferous Cathode Carbon Block For Aluminium Electrolysis
| Grade And Block Type | General Performance | Reference Performance | |||||||||
| Ash % | Resistivity μΩ·m | Bending Strength MPa | Compressive strength MPa | Apparent Density g/cm3 | True Density g/cm3 | Sodium Expansion Rate % | Coefficient Of Thermal Expansion (300℃) X10-6/℃ | Young's Modulus GPa | Thermal Conductivity W/(m·K) |
||
| <= | >= | <= | >= | ||||||||
| Bottom carbon block | GS-3 | 5 | 35 | 7 | 26 | 1.57 | 1.95 | 0.8 | 4 | 6 | 10 |
| Bottom carbon block | GS-5 | 4 | 30 | 7 | 25 | 1.58 | 1.99 | 0.7 | 4 | 6 | 18 |
| Bottom carbon block | GS-10 | 2 | 21 | 7.5 | 28 | 1.6 | 2.08 | 0.5 | 4 | 5 | 20 |
| Side carbon block | GS-C | 8 | - | - | 32 | 1.56 | 1.91 | 1 | 4.2 | - | - |