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Subject: Re: [Homebrew_PCBs] Cupric Chloride and Stainless Steel

From: milwiron@...
Date: 2003-03-07

Hi Adam,
Thank you for the feedback. Thankfully the screws are common sizes, I
probably replace them with Delrin or nylon versions.
Denny

At 02:07 PM 03/07/2003 +1100, you wrote:
>Yes it will, but probably not fast as Ferric Chloride. I once had
>a stainless teaspoon sitting in a beaker containing cupric
>chloride etching and it etched a good part of it away over a few
>days. When its long term you need good chemical resistant
>materials. Are you close by to any titanium screw suppliers? :)
>
>You could try coating the screw and its surrounding with a
>solvent based contact adhesive.
>
>milwiron@... wrote:
>> Hey All,
>> Does anybody know the effects of the cupric chloride etchant solution on
>> stainless steel? I have a few stainless screws in my etching tank that
>> ammonium persulfate doesn't touch but I know ferric chloride will slowly
eat.
>> Thanks,
>> Denny
>>
>>
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