[sdiy] stupid solder

[Sowa Roman]

Hi, I thought I should ask it here:

I have a lead-free solder alloy (Sn96%) that is real pain to use.
It melts in higher temperature than leaded one, and it's almost
impossible to achieve shining mirror finish with it. After many
solder points I came to not bad results, i.e. solder surface is
not matt, but it's not so shiny as Sn60 either.

Now my question goes - how bad is it when solder joint surface
is matt, i.e. oxidized? Or is it those few % of silver that
come out to the surface and make it look matt? Does it influence
anything? Will it break sooner than shining one?

well, that's 4 questions, not one :)

Roman


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