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Re: Etching Question



Of course zinc oxidizes.  It oxidizes upon contact with water and air, so don't
let your plates sit around wet.  The oxidization is white.  Love, Audrey
Niffenegger

john renjilian wrote:

> >Copper always oxidizes and zinc does not,
>
> Not being either a printmaker or a metalurgist I need an explanation.  I
> have a proof printing plate for the cover of a 1960 Golden Book, made of
> what I thought was zinc, and I would have described it as oxidized.  Is
> there another term I should be using? or is it another metal?  It was a
> proof for the cover design, intending to be changed in the final design, so
> it wouldn't have had to print many copies.
>
> John Renjilian


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