There's a lot of emphasis on "hand-poured" zinc anodes on your website. Why does B&S Marine Anodes hand pour their zincs?
How are other zincs made?
Hand-poured zinc anodes have a higher degree of porosity due to its molecular composition.
The process of die-casting changes the molecular structure, therefore effecting how the anode performs and the rate at which
it dissolves. This is important because in hand-poured zinc anodes, size for size, there is a greater area exposed to corrosion
than die cast zinc anodes. It is also shown that the hot chamber die-casting method has a greater chance of picking up impurities
during the manufacturing process, again, effecting the way your anodes perform.
Impurities can cause a layer of insulation-like material to build up on the outside of the anode
causing it to perform poorly or not at all. Other signs include uneven erosion or flaking.
We not only use mil-spec zinc alloy to make our anodes, our finished product is mil-spec and we have the lab reports to
prove it, not every manufacturer can make that claim! (copy of lab testing available upon request).
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- What are zinc anodes?
- I hear a lot about aluminum anodes; should I use aluminum anodes or zinc anodes?
- What kind of zinc does B&S use?
- How often should you change your anodes?
- Sometimes, mid-season my zincs are gone. Did they fall off?