Homebrew PCBs

----- Original Message ----- 
From: "Naveed Alam" <naveedguy2@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Tuesday, February 01, 2005 6:15 AM
Subject: [Homebrew_PCBs] Help about solder bits


>
>
>
> I bought a solder bit that seemed to be electroplated with a metal other 
> than copper.
>
> It worked fine at the beginning but the soldering iron got too hot (40W).
>
> Now the bit has gone black and is not transferring heat to the joint as it 
> did at the beginning.
>
> What can I do now. As the bit is electroplated, I cannot use a sand paper 
> to clean it.
>
> Please help me and give some good suggestion. Thanks a lot.

Most tips are coated with iron. You shouldn't use sand paper. The best stuff 
for cleaning bits that won't take solder is Multicore Tip Tinner/Cleaner 
(TTC1). It's basically a very active flux mixed with solder powder and comes 
in a little tin. I keep it attached to my soldering iron holder. You should 
be able to get it from any of the big suppliers like Farnell, Digikey, etc.

Leon

Leon 



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