You can also heat the board with a paint stripper heat gun.
BTW: In the Netherlands tinning powder can be bought at hobby markets under
the brand Griffon. They sell it for about 6.95 euro for 250 gram. It is
available as 40/60 tin lead or as 60% tin/silver (96.5 / 3.5 silver).
Kind regards,
Henk
----- Original Message -----
From: "Stefan Trethan" <stefan_trethan@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, May 08, 2006 15:39
Subject: Re: [Homebrew_PCBs] Plumber's Paste
> This paste process is strange.
> You don't need to fully refow the paste until it is shiny, if it is hot
> enough, but still looking dull, you will find the board underneath coated
> with a thin layer but the rest of the paste coming off easily with a paper
> towel.
>
> I don't pretend to know what's happening, but something is...
>
> ST