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Zinc Anodes and Cathodic Protection

Posted on 10 April 2012

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If you are having problems about buying zinc anodes for your boat, this guide will be able to help you out.

Without somebody to guide you, everything will be very difficult. That is why the best source of information is a friend who knows where to buy this stuff. Just make sure that he knows what he is talking about. Aside from your friend, you can go to an expert. His opinion will also be very important.

There is also a lot of information that you can find in the Internet. You will be surprised how easy it is to find what you are looking for online. However, if you search for online stores that sell zinc anon, you would also need to do an extensive research on the store’s reputation. It would be very helpful if you know somebody who has already tried buying from that store.

With these tips, finding zinc anode for your boat will become less challenging.

Usually, boat propellers are shielded by a bolted zinc anode around the shaft forward of the propeller. Zinc anodes provide protection for outboard and outdrive boat propellers. Zinc discs fastened directly to the metal protect rudders and struts. Zinc rudders are designed to have a shallow dome shape to make them more efficient and minimize drag and turbulence.

What are zinc anodes?

An electrode through which electric current flows into a polarized electrical device is called an anode. To minimize corrosion of buried or immersed metals like iron, steel and aluminum, a zinc anode is a popular option. For boating purposes there are various types of zinc anodes such as shaft zincs, rudder zincs, plate zincs and nut zincs.

For a long time, zinc has been tested and proven to be an effective and inexpensive component in protecting an assortment of underwater metallic systems. A zinc anode for that matter can give that same assurance when used with your boating needs.

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