Homebrew PCBs

----- Original Message ----- 
From: "Stefan Trethan" <stefan_trethan@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Friday, November 10, 2006 6:42 PM
Subject: Re: [Homebrew_PCBs] Re: Toner transfer works...


> On Fri, 10 Nov 2006 19:27:47 +0100, Leon Heller
> <leon.heller@...> wrote:
>
>>
>> That's not anhydrous FeCl3. I had some of the anhydrous stuff many years
>> ago, it's a black powder. It was some years old when I got it cheap,
>> sealed
>> in double polythene bags.
>> Leon
>
>
> But what is the advantage of anhydrous ferric chloride?

It takes up a lot less storage space. I think it was originally made for 
some miltary application as it had a typical UK MoD label. It was very 
cheap, from a military surplus supplier.

Leon