Aluminium vessel Bonding system or not ?

Discussion in 'OnBoard Electronics & Controls' started by steve123, Mar 18, 2015.

  1. steve123
    Joined: Dec 2014
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    steve123 Junior Member

    I know over the years there has been a lot of theories and questions regarding bonding systems on Aluminium Vessels.
    I would like to know if anyone has had experience with this and wether they think yes bond or not ?
  2. gonzo
    Joined: Aug 2002
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    Location: Milwaukee, WI

    gonzo Senior Member

    Bonding is used to prevent electrolytic corrosion. For passive systems, sacrificial anodes corrode instead of the vessel. On aluminum, it is better to also install anodes inside, in wet locations. For example, in the bilge. Active systems, like Mercathode, rely on bonding to be able to give metal parts an electrical potential. The fraction of a volt evens the electrical potential difference.
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