Cathode Carbon Block
1 Cathode Carbon Block is made of anthracite as main raw material,pitch as binder,through forming,baking and machining.
2 Semi-graphitic Cathode Carbon Block is made of high quality and high temperature Electrical Calcined Anthracite(ECA),Graphite Particle(GP) as raw material,pitch as binder,through forming,baking and machining.
3 Graphitic Cathode Carbon Block is made of graphite particle as main raw material,pitch as binder,through forming,baking and machining.
4 Graphitized Cathode Carbon Block is made of petroleum coke as raw material,pitch as binder,through forming,baking,impregnation,
re-baking,graphitization and machining.
Chemical and Phisical Properties Cathode Carbon Block
Items |
Unit |
Semi-graphitic Carbon Block (15%GP+85%ECA) |
Graphitic Carbon Block (30%GP+70%ECA) |
Graphitic Carbon Block (100%GP) |
Graphitized Cathode |
Real Density |
g/cm³ |
1.88-1. 90 |
1.93-1.96 |
2.13-2.16 |
2.18-2.20 |
Bulk Density |
g/cm³ |
1.54-1.56 |
1.56-1.58 |
1.62-1.64 |
1.54-1.56 |
Electrical Resistivity |
μΩ.m |
40-45 |
32-35 |
18-22 |
10-12 |
Compressive |
Mpa |
30-35 |
25-30 |
22-26 |
18-22 |
Flexural Strength |
Mpa |
9-11 |
9-11 |
8-10 |
8-10 |
Total Porosity |
% |
17-19 |
18-20 |
22-24 |
24-26 |
Thermal Conductivity |
W/M. ℃ |
8-10 |
15-18 |
35-40 |
80-100 |
Ash Content |
% |
5-6 |
4-4.5 |
1-1.2 |
0.4-0.5 |
Machining Tolerances |
(+/-)mm |
|
|
|
|
Width |
|
3.00 |
3.00 |
3.00 |
3.00 |
Depth |
|
3.00 |
3.00 |
3.00 |
3.00 |
Length |
|
5 |
5 |
5 |
5 |