Aluminum anode for cathodic protection and anti corrosion , Aluminum sacrificial anode

Type

Zn

In

Cd

Sn

Mg

Si

Ti

Impurity ,less than

Al

Si

Fe

Cu

Al-Zn-In-Cd

A11

2.5-4.5

0.018-0.050

0.005-0.020

-

-

--

-

0.10

0.15

0.01

Balance

Al-Zn-In-Sn

A12

2.2-5.2

0.020-0.045

-

0.018-0.035

-

-

-

0.10

0.15

0.01

Balance

Al-Zn-In-Si

A13

5.5-7.0

0.025-0.035

-

-

-

0.10-0.15

-

0.10

0.15

0.01

Balance

Al-Zn-In-Sn-Mg

A14

2.5-4.0

0.020-0.050

-

0.025-0.075

0.50-1.00

-

-

0.10

0.15

0.01

Balance

Al-Zn-In-Mg-Ti

A21

4.0-7.0

0.02-0.050

-

-

0.50-1.50

-

0.01-0.08

0.10

0.15

0.01

Balance

Item

Material of anodes

Open-circuit Voltage (v)

Close-circuit Voltage (v)

Actual Capacity(Ah/kg)

Current efficiency (%)

Consumption rate ( kg.(A.a)*

Dissolve Performance

Electrochemical Performance

Type 1

-1.18- -1.10

-1.12- -1.05

≥2400

≥85

≤3.65

The surface dissolve evenly & oxide drop easily

Type 2

-1.18- -1.10

-1.12- -1.05

≥2600

≥90

≤3.37

*Reference electrode: Saturated calomel electrode

 Type 1: A11,A12,A13,A14

 Type 2: A21