Hull Sacrificial Anode

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China Hull Sacrificial Anode:

Sacrificial anode is a protecting cathode unit for metal constructions in marine and harbor industries.its properties are in compliance with the requirement of the GB/T 4950-2002.

ZAC and AZI corrosion-proof sacrificial anode are synthesized mainly by high-purity (99.998%min) Zinc and fine Aluminum.Cadmium and lndium elements.They are the idea special corrosion-proof materials for protecting steel like matter when used under sea and ground ,ZAC is one of the outstanding cacrificial anodes. This product has been approved by China Vessel Inspection Bureau , Its quality specification meets the standard of GB4905-85,GB4948-85.

Application Scope
Ship Offshore engineering Dock and harbor Structure.Landing facilities used underground and under water Submerged pipelines,Oil storage tanks,Electric power station

Chemical Composition and Electrochemical Propoties:

ZAC Sacrificial Anode Chemical Composition
Chemical Composition Chemical Composition,% Zn
Type AL CD Fe Cu Pb Si
ZAC,% 0.3~0.6 0.05~0.12 ≤0.005 ≤0.005 ≤0.006 ≤0.125 remainder
ZAC Sacrificial Anode Electrochemical Propoties
item open potential V Operating potential V actual capacitance A.h/kg current effciency % dissolved status
electrochemical propoties -1.09~-1.05 -1.05~-1.00 ≥780 ≥95 corrosion product flakes off easily argues the uniform dissolution
Note: the media is artificial seawater, the reference electrode is calomel

AZI Sacrificial Anode Chemical Composition
Chemical Composition Chemical Composition,%
Type Zn In Cd Sn Mg Si Fe Cu Al
AZI-Cd 2.5~4.5 0.018~0.050 0.005~0.020 - - ≤0.13 ≤0.16 ≤0.02 remainder
AZI-Sn 2.2~5.2 0.020~0.045 - 0.018~0.035 - ≤0.13 ≤0.16 ≤0.02 remainder
AZI-Si 5.5~7.0 0.025~0.035 - - - 0.10~0.15 ≤0.16 ≤0.02 remainder
AZI-Sn-Mg 2.5~4.0 0.020~0.050 - 0.025~0.075 0.50~1.00 ≤0.13 ≤0.16 ≤0.02 remainder

AZI Sacrificial Anode Electrochemical Propoties
item open potential V Operating potential V actual capacitance A.h/kg current effciency % dissolved status
electrochemical propoties -1.18~-1.10 -1.12~-1.05 ≥2400 ≥85 corrosion product flakes off easily argues the uniform dissolution
Note: the media is artificial seawater, the reference electrode is calomel

Type Size
A B C D E F
ZAC 180 70 30 35 3 340
ZAC 200 100 30 35 3 360
ZAC 200 100 30 30 3 360
ZAC 250 100 40 35 4 410
ZAC 300 100 40 35 4 460
ZAC 300 150 40 30 4 460
ZAC 300 150 40 50 4 460
ZAC 400 100 40 35 4 560
ZAC 400 100 40 35 4 560
ZAC 500 100 40 40 4 660
ZAC 800 140 40 40 4 960
Note: For some special requirements, we can manufacture the products according to the drawing and the sample.

Type Size
A B C D E F
AZI 180 70 30 35 3 340
AZI 250 100 40 35 4 410
AZI 300 100 40 35 4 460
AZI 400 100 40 35 4 560
AZI 400 120 40 35 4 560
AZI 500 100 40 40 4 660
AZI 500 140 40 35 4 660
AZI 800 140 40 40 4 960
Note: For some special requirements, we can manufacture the products according to the drawing and the sample.

Type Size
A B C H L R1 R2 R3 R4 R5 R6
AZI 280 340 150 70 215 76 410 30 65 410 15
ZAC
AZI 230 290 75 40 143 35 410 20 35 410 17
ZAC
AZI 180 240 60 30 112 30 410 20 26 410 17
ZAC
Note: For some special requirements, we can manufacture the products according to the drawing and the sample.

Type Size
A B C D E F
ZAC 150 70 80 20 20 18
AZI
ZAC 200 100 110 20 20 18
AZI
ZAC 200 100 110 30 26 22
AZI
ZAC 200 100 110 40 26 22
AZI
ZAC 300 150 160 25 26 22
AZI
ZAC 300 150 160 30 26 22
AZI
ZAC 300 150 160 40 26 22
AZI
ZAC 440 200 230 40 50 22
AZI
Note: For some special requirements, we can manufacture the products according to the drawing and the sample.
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