[modeleng] Re: Broken tap and sulphuric acid

As the sulphuric acid will also attack the phosphor bronze Kevin, I would be
VERY careful with it if I was you! Try  alum first, or even phosphric acid - 
the
stuff found in cola amongst other things, the one that dissolves rust.

Tony.

----- Original Message ----- 
From: <kevin.osborn@xxxxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Tuesday, October 23, 2007 11:24 AM
Subject: [modeleng] Broken tap and sulphuric acid


>I have broken the end of tap in a phosphor bronze casting, and I have
> heard a rumour that a couple of drop of sulphuric acid will dissolve the
> tap. Is this correct? And if so where can I buy / get a small quantity.
> I have been offered 25 litres, but cannot get anything smaller.
> MODEL ENGINEERING DISCUSSION LIST.
>
MODEL ENGINEERING DISCUSSION LIST.

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