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Application range of magnesium alloy sacrificial anode
Magnesium alloy sacrificial anode cathodic protection methods, magnesium anode can be used for resistivity up to 20 ohMs. M to 100. M in soil or fresh water environment.
Magnesium sacrificial anodes can generally be used in soil or freshwater environments with resistivity of 20 ohm/m ~50 ohm/m, and do not use magnesium sacrificial anodes in environments with resistivity less than 10 ohm/m. The temperature of 100℃ is the temperature that can be reached when the magnesium sacrificial anode is used. The utilization rate of magnesium sacrificial anode is 85 percent, so the anode can be considered to have failed when 15 percent of its weight is left. The resistivity of the magnesium sacrificial anode is normally 50%, but may be lower under various conditions.
When using magnesium sacrificial anodes under the influence of salt water or salt water, the temperature should not exceed 30 degrees Celsius. In fresh water, the temperature should not exceed 45 degrees Celsius to use magnesium sacrificial anodes. Therefore, magnesium sacrificial anodes are not suitable for use in seawater, where the corrosion rate is too fast and the life is too short.
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