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Rob
July 12th 04, 04:07 PM
Hi Y'all,

I am in the process of assembling my workshop prior to ordering a
quickbuild RV kit.

I can see that some priming is necessary, even with a quick-build kit.

I own an airless sprayer that might be suitable for primer application
on small parts. The sprayer was mainly used to spray bottom-paint on my
sailboat. The paint is teflon based, mixed with powdered copper.

Of course I cleaned the sprayer according to the instructions, but the
reservoir seems stained, and I wouldn't be surprised if a small amount of
copper was still in the inner works of the sprayer.

My question for the chemically inclined among you is this...Would copper
act as the sacrificial metal or would the aluminum I am trying to protect
sacrifice itself for the copper?

kleindoc

Bryanmaxmartin1
July 12th 04, 09:45 PM
Aluminum has a lower electronegativity (greater tendency to oxidize) than
copper, so it will sacrifice itself for the copper.

>From: "Rob"
>Date: 7/12/2004 11:07 AM Eastern Daylight Time
>Message-id: >

> My question for the chemically inclined among you is this...Would copper
>act as the sacrificial metal or would the aluminum I am trying to protect
>sacrifice itself for the copper?
>
>kleindoc
>

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