Side wall blocks
Side-wall blocks are used for side-wall lining of aluminium electrolytic cells
 |
 |
|
Properties |
Units of measurement |
Typical values |
|
Graphite content |
% |
20 |
|
Real density |
g/cm3 |
1.56 |
|
Bulk density |
g/cm3 |
1.92 |
|
Total porosity |
% |
19 |
|
Open porosity |
% |
16 |
|
Compression strength |
MPa |
35 |
|
Flexural strength |
MPa |
11 |
|
Rappoport's relative elongation in cryolite-alumina melt* |
% |
0.7 |
|
Linear thermal expansion coefficient (20-520) °C |
10-6•K-1 |
2.2 |
|
Heat conductivity at 20 °C |
W/m•K |
11 |
|
Ash content |
% |
2,5 |
* - perpendicular to the direction of extrusion. The above values are average values and they do not constitute a specification.
Bottom blocks are manufactured on the basis of electrically calcined anthracite.
Dimensions of side-wall blocks
|
|
Maximum dimensions, mm |
Standard tolerances, mm |
|
Thickness |
400 |
± 3 |
|
Height |
800 |
± 5 |
|
Width |
720 |
± 3 |
The chief expert in cathode products can be reached at hlopkov@ukrgrafit.com.ua.