sarcrificial anode

Advantage: 1) Good quality. 2) The most reasonable price. 3) On-time delivery.

Application scope:

1,Ship

2.Harbour structure

3.Offshore engineering

4.Submerged piplines

5.Oil storage tanks

6. Electric power station

7. Building made of steel

 

Products list:

1.    Aluminum anodes Normal anodes&high-efficiency anodes

2.    Zinc anodes

3.     Magnesium anodes Normal anodes,Mg-mn alloy anodes,high negative voltage anodes.

 

Chemical composition analysis

The chemical composition of zinc anodes should comply to the following requirements

Table 1  Chemical compostion analysis for zinc anodes    %

Elements	Al	Cd	Impurity elements				Zn
			Fe	Cu	Pb	Si
content	0.3-0.6	0.05-0.12	≤0.005	≤0.005	≤0.006	≤0.125	Rest

Electro-chemical characteristics

The electro-chemical characteristics of zinc anodes should comply to the following requirements

Table 2 Electro-chemical characteristics for zinc anodes

Electro-chemical characteristics	Open-circuit Voltage V	Close-circuit Voltage V	Actual Capacity(Ah/kg)	Consumption rate kg·(A·a)-1	Current efficiency %	Dissolve performance
Sea water(1mA/cm2)	-1.09~-1.05	-1.05~-1.00	≥780	≤11.23	≥95	The surface dissolve evenly&oxide drop easily
In soil(0.03Ma/cm2)	≤-1.05	≤-1.03	≥530	≤17.25	≥65
Reference electrode:saturated calomel electrode(SCE) Medium:arificial sea water or natural sea water;in soil used moist soil and filled up by back-fill material.

sarcrificial anode