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.

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