PRODUCTS
|
Products for Aluminium Industry
Pre-baked Anode
Grade
|
Apparent density, Min.
|
Real density, Min.
|
Compressive strength, Min.
|
Flexural strength, Min.
|
Spec. el. res., Max.
|
Thermal cond., Min.
|
C.T.E., Max.
|
(g/cm3)
|
(g/cm3)
|
(MPa)
|
(MPa)
|
(µΩm)
|
(W/mK)
|
(10-6/K)
|
NPA-1
|
1.48
|
2.00
|
29
|
9.0
|
65
|
3.5
|
5.5
|
NPA-2
|
1.50
|
2.00
|
30
|
9.0
|
60
|
3.5
|
5.0
|
NPA-3
|
1.52
|
2.00
|
32
|
9.0
|
58
|
3.2
|
5.0
|
NPA-4
|
1.54
|
2.05
|
35
|
9.0
|
55
|
3.0
|
4.8
|
Anode Paste
Grade
|
Apparent density, Min.
|
Real density, Min.
|
Compressive strength, Min.
|
Spec. el. res., Max.
|
Ash
|
Volatile matter
|
(g/cm3)
|
(g/cm3)
|
(MPa)
|
(µΩm)
|
(%)
|
(%)
|
NAP-1
|
1.40
|
2.00
|
29
|
70
|
0.35
|
14 - 17
|
NAP-2
|
1.39
|
1.99
|
28
|
75
|
0.45
|
14 - 17
|
NAP-3
|
1.38
|
1.98
|
27
|
80
|
0.60
|
14 - 17
|
NAP-4
|
1.38
|
1.98
|
27
|
80
|
0.80
|
14 - 17
|
Carbon Block Used in Aluminium Electrolyser
Properties
|
Partial-graphite cathode carbon block
|
Regular cathode carbon block
|
Bottom grade I
|
Bottom grade II
|
Sidewall
|
Ash content, Max. (%)
|
6
|
7
|
7
|
7
|
Bulk density, Min. (g/cm3)
|
1.58
|
1.56
|
1.56
|
1.54
|
Real density, Min. (g/cm3)
|
1.93
|
1.90
|
1.90
|
1.86
|
Comp. strength, Min. (MPa)
|
36
|
30
|
30
|
30
|
Spec. el. res., Max. (μΩm)
|
40
|
43
|
--
|
50
|
|