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Old 10-03-2014, 10:04 AM
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dtvmcdonald dtvmcdonald is offline
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I was not going to say this, but I do believe that at that temperature
zinc would be a bad idea. Its probably not a health risk, but would be at
100 degrees hotter.

I would break down and change to 300 series stainless steel. For
a system that small it does not have to be thick.

This is advice from a person who has done tons (literally!)
of vacuum stuff involving electronics and heat.
At that temperature even stainless will be strongly oxidized and
turn brown, but it will not flake.

In many cases of even slightly larger ovens than yours brick
is normally used, but since you already have it, go to stainless.


Doug McDonald
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