Carbon Block
| 1. Carbon Block for Blast Furnace
Specification: as per user's requirement
Properties: high resistance to alkaline and corrosion of melted iron, good heat conductivity and anti-oxidation etc. |
Uses: as lining materials for various blast furnaces
Physical and Chemical Data:
Items |
Unit |
Regular Carbon Block |
Micro-pore Carbon Block |
Partial-
Graphite Carbon Block |
High-Conductive Graphite Brick |
Ash Content |
Max. |
% |
9 |
18 |
8 |
0.5 |
Real Porosity |
Max. |
% |
20 |
- |
20 |
- |
Bulk Density |
Min. |
g/cm 3 |
1.52 |
1.54 |
1.52 |
1.63 |
Real Density |
Min. |
g/cm 3 |
- |
1.90 |
1.90 |
- |
Compressive Strength |
Min. |
MPa |
30 |
35 |
32 |
25 |
Permeability |
Max. |
MDa |
- |
11 |
- |
- |
Oxidation Rate |
Max. |
% |
- |
10 |
35 |
|
Anti-alkaline |
|
Grade |
LC |
U or LC |
U or LC |
LC |
Coefficient of Thermal Conductivity(Room Temperature)
300 ¡æ
600 ¡æ
800 ¡æ |
Min. |
W/m.k |
- |
6
9
12
13 |
6
9
12
13 |
45
43
40
35 |
Average Aperture |
Max. |
¦Ì m |
- |
0.5 |
- |
- |
Pore Volume Rate Under 1 ¦Ì m |
Min. |
% |
- |
70 |
- |
- |
2 . Carbon Block used in Aluminium Electrolyzer
Specification: as per user's requirement
Properties: high strength, good electrical conductivity,
high resistance to alkaline etc.
Use: used in aluminium electrolyzer.
Physical and Chemical Data:
Items |
Unit |
Partial-graphite Cathode
Carbon Block |
Regular Cathode Carbon Block |
Ash Content |
Max. |
% |
7 |
7 |
Bulk Density |
Min. |
g/cm 3 |
1.54 |
1.54 |
Real Density |
Min. |
g/cm 3 |
1.90 |
1.86 |
Compressive Strength |
Min. |
MPa |
36 |
30 |
Resistivity |
Max. |
¦Ì¦¸ .m |
40 |
50 |
3. Carbon Block for Ore Furnace
Specification: as per user's requirement.
Properties: high mechanical strength, high tresistance to orrosion and thermal shock etc.
Use: used in ore furnaces such as ferroalloy furnace.
Physical and Chemical Data:
Items |
Unit |
Carbon Block for Ore Furnace |
Ash Content |
Max. |
% |
8 |
Real Porosity |
Max. |
% |
25 |
Compressive Strength |
Min. |
Mpa |
30 |
|
