Ivan
I have found running the pot at the lowest temp. possible 240degC helps a great deal
with dross reduction. We also lower the solder temp to just below melting point at
night for the same reason. I don't use oil or wax, they make a hell of a mess and end
up increasing the amount of time you spend cleaning/maintaining the pot. I use the
Electrovert Kleenox powder to separate out the solder from the dross when cleaning,
which minimises the wastage. This is the easy/cheap option for those of us that cannot
afford the nitrogen!
Our solder supplier does give us credit on the solder they can extract from the dross
we remove anyway - this is definitely worth pursuing with your supplier...

Justin Braime
Process Engineer
Compuspec Industries
Auckland, New Zealand


Ivan Barrios wrote:

> What is an industry standard (or current experience)  on dross produced
> (relationship of adding new solder versus removing dross for, i.e. for every
> pound of solder added we remove X amount of dross kind of deal)
> Also, has anybody had any experience with using dross reducing agents (Kind of
> like a detergent to sprinkle at removal of dross) to separate Good solder form
> the oxides. I have acompany (no names ) that is trying to sell me on this stuff
> and I would like to hear past experiences with this type of additives.
> Any and all replies will be greatly appreciated
>
> Ivan Barrios

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