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Titanium Anode For Cathodic Protection

The usage of MMO titanium anodes for cathodic protection is growing as a result of their benefits, including high current density, acid resistance, and long service life. They are utilized in concrete, pipes, and soil. Applying cathodic polarization to the protected metal is the process of cathodic protection, which is done to lessen or stop metal corrosion.

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Titanium Anode For Cathodic Protection Descriptions

MMO titanium anodes are increasingly being used in cathodic protection, with advantages such as high current density, acid resistance, and long service life. They are used in soil, pipelines, and concrete. Cathodic protection is the process of applying cathodic polarization to the protected metal in order to reduce or prevent metal corrosion.


The impressed current cathodic protection is the use of applied current to make the entire surface of the protected metal structure a cathode. When applying external current cathodic protection to metal equipment, connect the metal with a wire to the negative pole of an external power source and connect the other auxiliary anode to the positive pole of the power source. At this point, the current passing through the auxiliary anode mainly focuses on the cathodic protection of the metal after flowing through the electrolyte solution, causing cathodic polarization of the metal. This current flows back to the power supply through the cathode, thereby reducing the total potential of the metal. If the applied protective current is large enough, the original anode on the protected structure will no longer dissolve. At this point, only cathodic reduction reaction will occur on the metal surface, and complete protection will be achieved by applying an additional current. The selection of coating materials is continuously developed and improved according to different usage conditions.


MMO coated titanium anodes, which use titanium metal as the substrate and are coated with highly catalytic metal oxides such as Ru, Ir, Ta, etc., have good conductivity and small surface output resistance. They are not subject to medium erosion and are easy to be processed. It can be adapted to different environments, such as seawater, soil, and other media.



Product Classification of Titanium Anode For Cathodic Protection

Titanium anodes used for cathodic protection mainly include the following products: MMO titanium ribbon anodes, MMO titanium mesh ribbon anodes, MMO titanium wire anodes, MMO titanium disc anodes, MMO titanium tubular anodes, MMO titanium rod anodes, etc.


Titanium anodes can be roughly divided into three categories based on the medium environment: soil or freshwater environment, reinforced concrete environment, and seawater environment. Due to different environmental media used, the coating system of titanium anodes also varies. In soil or freshwater media, the titanium anode coating system is mainly composed of iridium oxide. Iridium oxide is also predominant in reinforced concrete media. In seawater, the content of chloride ions is relatively high, and the main reaction occurring on the anode is chlorine evolution, so the anode coating system is mainly composed of ruthenium oxide.



Titanium Anode For Cathodic Protection Specifications

MMO Titanium Ribbon Anode

Thickness

0.6mm

Width

6.35mm

Length

normal each coil length is 152m, also can be customized as your need

Standard coil weight

2.6kg

Current design

17mA/m or 42mA/m

Expected lifetime

25years/50years/75years


MMO Titanium Mesh Ribbon Anode

Thickness

0.9mm

Width

10mm/13mm/15mm/20mm

Length

normal each coil length is 76m, also can be customized as your need

Current design

110mA/m²

Expected lifetime

100years in concrete interface


MMO Titanium Wire Anode

Diameter

1.5mm/3.0mm

Length

customized as your need

Current design

50mA/m² for soil, 100mA/m² for carbon backfill or fresh water, 600mA/m² for sea water

Expected lifetime

20years


MMO Titanium Disc Anode

Diameter

120mm/300mm

Thickness

as your need

Current design

50mA/m² for soil, 100mA/m² for carbon backfill or fresh water, 600mA/m² for sea water

Expected lifetime

20years


MMO Titanium Tubular Anode

Size

19*1*1220mm, 25*1*500mm/1000mm*1220mm/1500mm, 32*1.2*1220mm

Current design

50mA/m² for soil, 100mA/m² for carbon backfill or fresh water, 600mA/m² for sea water

Expected lifetime

20years


MMO Titanium Rod Anode

Diameter

3.2mm, 6.35mm, 12.7mm,19mm or as your need

Length

as your need

Current design

50mA/m² for soil, 100mA/m² for carbon backfill or fresh water, 600mA/m² for sea water

Expected lifetime

20years



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Changsheng Titanium Offers Wide Ranges of Titanium Products and Alloys
Changsheng Titanium Offers Wide Ranges of Titanium Products and Alloys
No.26 Baotai Road, Weibin District, Baoji City, Shaanxi, China.
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