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CURRENT AND USEFUL – PROTECT YOUR STEEL CONSTRUCTIONS (land and ocean mounted) FROM CORROSION
Electrochemical protection is based on the fact that changing the oxidative reduction potential of the metal by leakage current can change the speed of corrosion. This type of protection is extremely efficient and is carried out by cathode and anode polarization. In cathodic protection, the protected metal takes electrons and becomes a cathode. So he does not corrode. Cathodic polarization can be accomplished either by connecting the metal structure to the negative pole of an external source of direct current or by contacting it with more active metal – cover of protection.