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Zinc Anode for Port and Offshore Engineering Facilities

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Zinc Anode for Port and Offshore Engineering Facilities


Zinc Anode for Port and Offshore Engineering Facilities

Aluminum-Zinc-Cadmium series (ZAC Series) is a sacrificial anode casted by high purity zinc and aluminum, cadmium alloy.


Zinc alloy sacrificial anode is used for the metal anti-corrosion cathodic protection of the ships, water ballast tanks, mechanical equipment, marine engineering and port facilities, drilling platform, wharf, seawater condenser, pump in sea water medium as well as the pipes and cables in low resistivity soil.


Main Performance

1.Small autolysis;

2.High current efficiency and excellent self-regulating property when current occurs;

3.Long protection period up to 20 to 30 years, generally no over protection phenomenon occurring.


Implementing Standard

GB/T4950-2002


Zinc Anode for Port and Offshore Engineering Facilities

Type

Specification

(mm)

Thread Steel Foot Size (mm)

Flat Steel Foot Size

(mm)

Net Weight

(kg)

Gross Weight

(kg)

A(B1+B2)C

D

F

G

E

F

G

ZT-1

1000(115+135)130

1250

18

45

1250

40

8

45

111.6

115.0

ZT-2

750(115+135)130

1000

16

45

1000

40

8

445

83.0

85.0

ZT-3

500(115+135)130

750

16

45

750

40

6

45

55.0

56.0

ZT-4

500(105+135)100

750

16

35

750

40

6

35

38.6

40.0


Chemical Composition (%)

Chemical Element

Al

Cd

Impurity Element

Zn

Fe

Cu

Pb

Si

Content

0.3~0.6

0.05~0.12

0.005

0.005

0.006

0.125

margin


Electrochemical Properties

Electrochemical Properties

Open Circuit Potential

V

Working Potential

V

Actual Capacitance

(Ah/kg)

Consumption Rate

(Ah/kg)

Current Effiency

%

Dissolution Performance

In Sea Water

(1mA/cm2)

-1.09~-1.05

-1.05~-1.08

780

11.23

95

Surface dissolution is even, while the corrosion products are easy to fall off

In Soil

(0.03mA/cm2)

-1.05

-1.03

530

17.25

65




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