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Guest Brad Reed

Epoxy and copper bottom coat

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I was wondering if anyone has experience with mixing epoxy and copper powder as a bottom coat. There is a little information on the web on this, but I have only used West System and System Three (preferring the latter) and I would be interested in using one of these with copper powder for a bottom sealer and anti-fouling coat.

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I have mixed graphite powder with Epoxy and that worked fine and did make the final surface a bit lower friction.  But I have not heard of anyone trying to create an antifouling surface with a copper powder in an Epoxy.

 

The coat of Epoxy will certainly do a good job at sealing your boat's bottom. I am afraid that the copper powder will be marginal at best for antifouling purposes. Bottompaint uses different technologies to release the copper biocide at a controlled rate. i would not know how much Copper you could add... and I would have no idea at what rate it would be released.

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