Magnesium Sacrificial Anode
Magnesium alloy sacrificial anodes have the characteristics of low density, large theoretical capacity, negative potential, low polarizability and large driving voltage to steel, which is suitable for the protection of metal structures in soil and fresh water with high resistivity, by creating an easier and more attractive source of oxidation, magnesium anodes prevent or slow down the rusting of steel structures to which they are connected, Magnesium anodes are widely used for cathodic protection of land pipelines and freshwater vessels such as river or canal boats Magnesium cast bare anode has two alloy types available with varying electrode potential (relative to a Cu/CuS04 reference electrode).
1.Standard Magnesium Alloy Anode(H1 or AZ63B Anode)
Standard :ASTM B843-AZ63B
Application:AZ63B anode is usually for soil conditions where resistivity is under 20 Ω .m.
2.High Potential Magnesium Alloy Anode(M1C Anode)
Standard :ASTM B843-M1C
Application M1C anode has higher open circuit voltage and driving potential than standard potential anode, with its open circuit potential being as high as -1.7 volts, The high driving voltage means greater protection can be provided by fewer anodes, Therefore. this anode is able to be used in a higher soiI resistivity environment.
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