Common cathode carbon block for aluminum electrolysis

  
 

Designation
　　
TKL-1
TKL-2
TKL-3
Ash content
not more than
8
10
12
Specific resistance
55
60
60
Damage coefficient
1.5
1.5
1.5
Bulk density
not less than
1.54
1.52
1.5
Real density
1.86
1.86
1.84
Compressive strength
32
30
30