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Re: [Homebrew_PCBs] has anyone worked on the rotary spray etcher?

2005-03-11 by lists

In article <opsnhsgstwmg0lsf@...>,
   Stefan Trethan <stefan_trethan@...> wrote:

> Any ideas how to make bearings for the sprayer tube out of CuCl
> compatible materials? A titanium rod maybe turning in some plastic
> (non nylon)? 

How about PTFE. Not cheap I know but self lubricating and resistant to
pretty well all chemicals

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