Aluminum-zinc-indium Alloy Sacrificial Anode
1. Application
Aluminum-zinc-indium alloy sacrificial anode is suitable for marine anti-corrosion cathodes in marine materials, such as ships, mechanical equipment, ballast water tanks, tank inner walls, coastal facilities, submarine pipelines, dock steel piles, offshore platforms, cables, etc. protection.
2. Standard : GB/T 4948-2002
3. Chemical Ingredien
Alloy type
Zn
In
Cd
Sn
Mg
Si
Ti
Impurity, no more than
Al
Si
Fe
Cu
Al-Zn-In-Sd
2.5-4.5
0.018-0.050
0.005-0.020
-
-
-
-
0.10
0.15
0.01
Margin
Al-Zn-In-Sn
2.2-5.2
0.020-0.045
-
0.018-0.035
-
-
-
0.10
0.15
0.01
Margin
Al-Zn-In-Si
5.5-7.0
0.025-0.035
-
-
-
0.10-0.15
-
0.10
0.15
0.01
Margin
Al-Zn-In-Sn-Mg
2.5-4.0
0.020-0.050
-
0.025-0.075
0.50-1.00
-
-
0.10
0.15
0.01
Margin
Al-Zn-In-Mg-Ti
4.0-7.0
0.020-0.050
-
-
0.50-1.50
-
0.01-0.08
0.10
0.15
0.01
Margin
4. Electrochemical performance
|
Type / indicator / performance |
Open Circuit Potential -V(SCE) |
Working Potential -V(SCE) |
Actual Capacity A·h/kg |
Current Efficiency % |
Dissolution Condition |
|
Common aluminum alloy sacrificial anode |
1.10-1.18 |
1.05-1.12 |
≥2400 |
≥85 |
Corrosion products are easy to fall off, surface dissolves |
|
High efficiency aluminum alloy sacrificial anode |
1.10-1.18 |
1.05-1.12 |
≥2600 |
≥90 |
|
|
Highly activated aluminum alloy sacrificial anode |
1.45-1.50 |
1.40-1.45 |
≥2080 |
≥70 |
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