CHEMICAL COMPOSITION
Casted in low-iron, high-purity alloys, our aluminum anodes are designed as per the standard of NACE, DNV, ISO.
◉ GALVALUM III (Al-Zn-In-Si)
|
Element |
Content (%) |
|
Zinc (Zn) |
2.000 ~ 6.000 |
|
Indium (In) |
0.010 ~ 0.020 |
|
Silicon (Si) |
0.080 ~ 0.200 |
|
Iron (Fe) |
0.130 max. |
|
Copper (Cu) |
0.006 max. |
|
Cadmium (Cd) |
-- |
|
Other Impurities |
0.100 max. |
|
Aluminum (Al) |
Remainder |
◉ DNV-RP-B401-2011 (Al-Zn-In)
|
Element |
Content (%) |
|
Zinc (Zn) |
2.500 ~ 5.750 |
|
Indium (In) |
0.015 ~ 0.040 |
|
Silicon (Si) |
0.120 max. |
|
Iron (Fe) |
0.090 max. |
|
Copper (Cu) |
0.003 max. |
|
Cadmium (Cd) |
0.002 max. |
|
Other Impurities |
0.100 max. |
|
Aluminum (Al) |
Remainder |
◉ GS EP COR 201 (Al-Zn-In)
|
Element |
Content (%) |
|
Zinc (Zn) |
4.750 ~ 5.750 |
|
Indium (In) |
0.015 ~ 0.020 |
|
Silicon (Si) |
0.060 ~ 0.120 |
|
Iron (Fe) |
0.120 max. |
|
Copper (Cu) |
0.003 max. |
|
Cadmium (Cd) |
0.002 max. |
|
Other Impurities |
0.100 max. |
|
Aluminum (Al) |
Remainder |
ELECTROCHEMICAL PROPERTIES
Although the voltage rate is lower than that of magnesium anodes, aluminum anodes have a much slower consumption rate,
making them ideally suited for marine applications.
|
Technical Measurement |
Performance |
| Open Circuit Voltage (min.) |
-1.10 Volts |
|
Closed Circuit Voltage (min.) |
-1.05 Volts |
|
Current Capacity |
2500 A.h/kg (1135 A.h/lbs) |
|
Current Efficiency (min.) |
90% |
|
Consumption Rate |
3.4 kg/A.y (7.6 lbs/A.y) |
* The open/closed circuit voltage is with respect to a Ag/AgCl reference electrode.
