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
 
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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
 
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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
 
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