[TheForge] Etchant strength

[Dan Tull]

PCB Cleaner works faster diluted. Up to 50% water.

Aquarium ariator bubbling speeds and evens out process.

dan tull
georgia
abba, afc, S.C. psba, obg,sofa
----- Original Message ----- 
From: <PlumDon at aol.com>
To: <theforge at mailman.qth.net>
Sent: Friday, September 10, 2004 10:42 AM
Subject: Re: [TheForge] Etchant strength


>
> In a message dated 9/10/2004 8:38:31 AM Eastern Standard Time,
> irontree at visi.com writes:
>
> I  purchased some etchant from Radio Shack.  Am I supposed to use this
stuff
> at
> full strength or am I supposed to dilute it?   Anyone?
>
>
>
> The etchant Rob Hudson, a noted East Coast knifemaker uses is ferric
> chloride. It is most conveniently available from Radio Shack where it is
called  PCB
> Etchant Solution. It is most effective when it is mixed with 5 parts water
to
> 1 part etchant. Rob thinks it would probably be equally effective at an 8
to
> 1 mix. The timings in the echant are dependent on your personal tastes.
In a
> damascus blade I did I used three 8 minute cycles. It was held in  the
> etchant for 8 minutes, removed and tooth brushed clean with a bit of
water,
> re-immersed for 8 mins and cleaned and then once again.
>
> Don  Plummer
> Plummer Design Works
> 392 Hallman Mill Road
> Phoenixville, PA  19460
> 610-495-5058
>
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