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Carbon block has the properties of superior electric and thermal conductivity, better chemical and bulk stability, as well as high strength in high temperature.It is widely used as refractory materials in the blast furnace ,the ferroalloy furnace,calcium carbide furnace and the aluminum electrolyte tank.
Graphite Cathode
Graphite Cathode
 
Carbon-Graphite Cathode Carbon Block for Aluminum Electrolysis
Item
Unit
Index
Ash Content £¨≤£©
%
7
Resistivity £¨≤£©
uΩm
40
Compressive Strength £¨≥£©
Mpa
32
Bulk Density £¨≥£©
g/cm3
1£®56
Real Density £¨≥£©
g/cm3
1£®90
Electrolysis Rate £¨≤£©
%
0.7
 
High-Graphite Cathode Carbon Blcok for Aluminum Electrolysis
Item
Unit
Index
I
II
III
Ash Content
%
5
4
2
Resistivity
uΩm
33
29
21
Bulk Density
g/cm3
1.56
1.57
1.59
Real Density
g/cm3
1.94
1.98
2.08
Compressive Strength
Mpa
24
24
26
Bending Strength
Mpa
7.0
7.0
7.5
CTE £¨300¡æ£©
X10-6/ ¡æ
4.0
4.0
4.0
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