The alloy of the anode is a different than for steel. it should be magnesium. your boat probably has a very thick layer of growth if it has been in the water for over 40 years.. While commonly referred to simply as “zincs,” sacrificial anodes are in fact available in several different alloys including aluminum, magnesium and zinc, although the latter is the most common. (all anodes contain alloying and trace elements of other metals.). Such anodes are effective even for protecting aluminum components — lower end cases, for example — because the aluminum used in the anode is a more anodic alloy. aluminum alloy anodes are almost certainly to become more common..
Galvotec alloys has been the leading innovator in the anode industry since 1984. we provide satisfied customers with the highest quality sacrificial anodes on the market. galvotec manufactures sacrificial aluminum, zinc, magnesium, water heater, and extruded anodes used for cathodic protection.. Aluminum sacrificial anode alloy generates -1.1volts zinc, -1.05 volts. in order to provide protection, the highest practicable voltage difference possible is required between the sacrificial anode and the metal to be protected.. Zinc anodes, also known as sacrificial anodes, play a key role in the maintenance of your boat. the term “zincs” has become synonymous with sacrificial anodes, being that zinc was the original material used for this purpose. however, other metals, such as aluminum and magnesium, also work as sacrificial anodes..
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