[alt-photo] Re: stainless trays for gum?

[Paul Viapiano]

After I posted the question I realized that a lot of gum printers (Keith 
Taylor, Karl Koenig) develop right in their stainless sinks...

Paul


----- Original Message ----- 
From: "Peter Friedrichsen" <pfriedrichsen at sympatico.ca>
To: "The alternative photographic processes mailing list" 
<alt-photo-process-list at lists.altphotolist.org>
Sent: Tuesday, June 22, 2010 3:36 PM
Subject: [alt-photo] Re: stainless trays for gum?


>I haven't used SS but in thinking about it I believe you have a very good 
>chance of it not causing a problem. The dilute dichromate may eventually 
>further passivate the SS with a thin chromic oxide layer which would 
>further reduce any dissolution of the iron component. Of course the amount 
>of iron dissolving out would likely  be close to zero from the get go.
>
> Obviously, the use of ceramic, glass, or plastic trays would provide much 
> more versatility with other processes that you may wish to pursue.
>
> Peter Friedrichsen
>
>
> At 04:27 PM 06/22/2010, you wrote:
>>Hi...
>>
>>Can one use stainless trays for developing gum?
>>
>>I'm pretty sure it would be out for pt/pd use, but curious about gum...
>>
>>Thanks...Paul
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